Functions

1. Linear

1.1. a graph with a straight line.

1.2. y=f(x)=+bx

1.3. one independent variable

1.3.1. independent is X

1.4. one dependent variable

1.4.1. dependent is Y

2. Quadratic

2.1. f(x)=ax^2+bx+c

2.2. a,b,& c are #'s not equal to 0

2.3. As a curve called a parabola

2.4. May open upward or downward

2.5. Vary in width or steepness