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1. write the function using x+y.
2. switch the x and Y.
3. Solve for Y.

Ex.
F(x)=x-1
Y=x-1
x=y-1
y=x+1
F(x)-1=x+1

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1. Graph a line using x and y intercepts.

2. Determine the domain and range of a parabola: looking at the graph.

3. Find domain and range of a function using a graph.

4. Graph piecewise functions.

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Linear programming is the process of taking various linear inequalities relating to some situation, and finding the best value obtainable under those conditions.

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Standard Form:
F(x)=ax2+ bx + c

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Vertex Form:
F(x)= a(x-h)2 + k

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Any number in the form of a+bi, where a and b are real numbers and i is the imaginary unit.

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x=−b± b2−4ac​
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2a

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to add polynomials   you have t combine like terms.

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subtract by like terms.

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Multiply all terms, then combine like terms.