# data[].attributes.body
h(x) = x² + 2 for x = −3
h(−3) = (−3)² + 2 = 9 + 2 = 11

# data[].attributes.body
f(x)=2x+4 for x=5
f(5)=2(5)+4=14
f(5)=14

# data[].attributes.body
Sasha had her car towed. It cost $3.50 per mile to have it towed plus a flat fee of $50. The function cost is C(m)=3.50m+50. If she had it towed for 34 miles. How much did it cost her?

# data[].attributes.body
Allyssa was selling phone cases for charity. She sold them for 0.75 for one but she had to pay for shipping of 25 dollars. The function for her phone cases sales is P(c)=.75c-25. If she sold 150 cases, how much money would she profit?

# data[].attributes.body
a relationship or expression involving one or more variables.

"the function (bx + c)"

# data[].attributes.body
First choose some elements from the domain. Then find the corresponding y -values (range) for the chosen x -values.

# data[].attributes.body
A function is a relation in which every input has exactly one input.

# data[].attributes.body
You have to use the vertical line, take a ruler or other straight edge and draw a parallel to the y-axis for any chosen value of x.