Identifying Linear, Quadratic and Exponential Functions

Check all the equations that are linear functions:

• $f\left(x\right)=x$

• $f\left(x\right)=x^2$

• $f\left(x\right)=3x-7$

• $f\left(x\right)=\frac{2}{3}x$

• $f\left(x\right)=\left(x-3\right)^2+4$

What type of function is the following graph?

• Quadratic

• Linear

• Exponential

• Square Root

What type of function is represented by the picture?

• Quadratic

• Exponential

• Square Root

• Cubic

• Function
• Not a Function

What type of function is the following graph?

• Quadratic

• Linear

• Exponential

• Square Root

• A
• B
• C

If f(x) = 2x² + 5x - 3, evaluate f(-1).

• f(-1) = -6

• f(-1) = 1

• f(-1) = -10

• f(-1) = -1

This table represents what kind of function?

• Linear
• Exponential Growth
• Exponential Decay
• Quadratic

• A
• B
• C

Evaluate f(2).

• f(2) = 5

• f(2) = 12

• f(2) = 10

• f(2) = 0.5