Review how to evaluate function notation, let f(x) = x + 3 and g(x) = 2x by Hannes Brueckner https://padlet.com/hannesbrueckner/zhywqinqpiji61yg Made with swagger en-us 2020-09-30 12:28:31 UTC 2025-12-24 02:38:24 UTC hello@padlet.com g(2) means what is the value of the function when x is at 2. andreaelbitara0 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792741121 2020-09-30 19:18:37 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792741121 g(2) means what is the value of the function when x is at 2. andreaelbitara0 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792742213 2020-09-30 19:18:59 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792742213 This notation means that g(2) is within the function of f, so what is g(2) within f. andreaelbitara0 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792742929 2020-09-30 19:19:13 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792742929 f o g = g= (g(2)) = f(g(2)) andreaelbitara0 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792745061 2020-09-30 19:19:52 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792745061 This notation means that f(2)is within the function of g, so what is f(2) within g. andreaelbitara0 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792746640 2020-09-30 19:20:23 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792746640 hebadalu6h https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792867549 2020-09-30 20:00:37 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792867549 hebadalu6h https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792869017 The notation f(2) means to plug 2 into the function f(x)=x+3, essentially replacing the x with the 2. 

]]> 2020-09-30 20:01:12 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792869017 hebadalu6h https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792870963 The notation f(g(2)) means to plug 2 into the function g(x)=2x, and then plug that value into the function f(x)=x+3]]> 2020-09-30 20:01:53 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792870963 hebadalu6h https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792872060 f(g(2)) = 7. I got this by first doing g(2)=2(2) which was 4, and then f(4)=4+3=7. 

]]> 2020-09-30 20:02:15 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792872060 hebadalu6h https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792874188 g(f(2)) means to plug 2 into the function f(x)=x+3 and then plug that value into the function g(x)=2x]]> 2020-09-30 20:03:00 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792874188 hebadalu6h https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792874883 g(f(2)) = 10. I got this by first doing f(2)=2+3 which was 5, and then g(5)=2(5)=10. 

]]> 2020-09-30 20:03:15 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792874883 hebadalu6h https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792875449 2020-09-30 20:03:30 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792875449 Umm...Hmm...well...Im the teacher I should know, lol hannesbrueckner https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792976002 2020-09-30 20:43:26 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792976002 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792978531 function notation takes the number inside parenthesis and replaces the x in the equation with that number

]]> 2020-09-30 20:44:37 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792978531 idk https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792980190 2020-09-30 20:45:19 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792980190 7 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792980803 2020-09-30 20:45:35 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792980803 g(x)=2x for g(2) the x variable is replaced on both sides of the equal sign making it g(2)=2(2) https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792981611 2020-09-30 20:45:55 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792981611 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792985394 this means to plug to into the f equation, and then plug the answer from that equation into g

]]> 2020-09-30 20:47:26 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792985394 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792986617 plugging 2 into x+3 adds up to 5, and plugging 5 into 2x multiplies to 10]]> 2020-09-30 20:48:00 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792986617 andrewlanningvi https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792986784 f(2) means to find the value of our function when x equals 2]]> 2020-09-30 20:48:04 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/792986784 something to do with x's and um...can't remember... hannesbrueckner https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795451071 2020-10-01 16:49:59 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795451071 kaitlynmendezoq https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795452448 When the x value is 2. It is plugged into the equation.]]> 2020-10-01 16:50:16 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795452448 g(2) means that you have plugged in 2 for x. https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795452534 2020-10-01 16:50:16 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795452534 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795453341 when g is at 2 ]]> 2020-10-01 16:50:26 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795453341 x is 2 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795454787 2020-10-01 16:50:44 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795454787 2 is replaced with x in order to find what y is when replaced with x https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795455291 2020-10-01 16:50:50 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795455291 When the y value is at 2 and solving for x. kaitlynmendezoq https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795457408 2020-10-01 16:51:15 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795457408 you plug in 2 for x in the f(x)=x+3 equation https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795457778 2020-10-01 16:51:19 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795457778 Replace the x with the given number which is 2. fatendaheroy https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795458715 2020-10-01 16:51:31 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795458715 2 is replaced with x in order to find what y is in f(x). https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795458783 2020-10-01 16:51:32 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795458783 when the value of x is 2 when plugged in jonathancallahan2f https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795458819 2020-10-01 16:51:33 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795458819 quinnstehlingds https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795459400 Replace the value of x with 2 in the function f(x).]]> 2020-10-01 16:51:40 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795459400 Brandon Dang https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795460047 g(2) means to replace the x with 2 ]]> 2020-10-01 16:51:48 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795460047 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795460108 When x is equal to 2]]> 2020-10-01 16:51:48 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795460108 When g(2) is plugged into the x value of the equation f(x) kaitlynmendezoq https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795460895 2020-10-01 16:51:59 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795460895 f of g, place the function of g(x) into the function of f(x), knowing the x is 2. fatendaheroy https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795461269 2020-10-01 16:52:04 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795461269 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795461681 g(2) means that x is equivalent to 2]]> 2020-10-01 16:52:09 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795461681 X=2 plug in 2 for X https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795462292 2020-10-01 16:52:17 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795462292 When X is equal to 2 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795462938 2020-10-01 16:52:26 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795462938 this represents f of g of x , so fog, which is when you find what 2 is in replace of x for g of x, and then you sub in the g(x) into the f(x) https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795463345 2020-10-01 16:52:31 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795463345 f(g(2)) =7 because 2(2) is 4 plus 3 is 7 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795470397 2020-10-01 16:54:04 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795470397 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795471190 f(2) means that you would plug in 2 into x]]> 2020-10-01 16:54:15 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795471190 f(g(2))=7 kaitlynmendezoq https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795472006 2020-10-01 16:54:25 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795472006 quinnstehlingds https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795472017 f(g(2)) = 2(2) +3 = 7]]> 2020-10-01 16:54:25 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795472017 Brandon Dang https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795472808 you plug in 2 for x because x is replaced by 2 ]]> 2020-10-01 16:54:36 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795472808 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795472906 2+3 then 5x2=10


]]> 2020-10-01 16:54:37 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795472906 g of f of x https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795474083 2020-10-01 16:54:53 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795474083 When f(2) is plugged into g kaitlynmendezoq https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795474850 2020-10-01 16:55:02 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795474850 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795476519 One is 10 and the other one is 7 

]]> 2020-10-01 16:55:24 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795476519 2+3 is 5 and 5(2) is 10 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795478298 2020-10-01 16:55:47 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795478298 Plug in 2 into x https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795479690 2020-10-01 16:56:04 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795479690 one is 7 and the other is 10 https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795479871 2020-10-01 16:56:06 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795479871 g(f(2))=10 kaitlynmendezoq https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795479998 2020-10-01 16:56:08 UTC https://padlet.com/hannesbrueckner/zhywqinqpiji61yg/wish/795479998