Identifying Functions and Writing Equations of Functions

Does the mapping represent a function?

• Yes

• No

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

The table represents the equation k = j - 20.

Use the equation to find the missing value.

• 34

• 27

• 41

• 38

For the function rule, y = -2x + 3: If the input is 4, what is the output?

• 5

• 11

• -5

• -11

Which of the following equations describes the relationship between a and b?

• b = a +13

• b = a +5

• b = a +18

• b = a +14

What type of function is represented by the picture?

• Quadratic

• Exponential

• Square Root

• Cubic

What type of function is in the picture?

• Quadratic

• Cubic

• Square Root

• Absolute Value

If f(x) = 3x + 1, then what does f(2) =

• 5

• 6

• 7

• 8

If f(x) = 1/2x + 5, what does f(10) =

• 8

• 9

• 10

• 11

If f(x) = 2x + 5 what does f(3) =

• 9

• 10

• 11

• 12