Functions Equations and Tables

Is the relation a function? Explain.

• Yes, the x-value 11 has two y-values paired with it.

• Yes, each x-value has only one y-value paired with it.

• No, the x-value 11 has two y-values paired with it.

• No, each x-value has only one y-value paired with it.

Does the graph represent a function?

• Yes

• No

Does the graph represent a function?

• Yes

• No

Does the graph represent a function?

• Yes

• No

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

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

Which table(s) are nonlinear?

• Table 2, only

• Tables 2 and 3, only

• Tables 1 and 2, only

• Tables 2 and 4, only

Which equations represent linear functions?

• Equations 1 and 2, only

• Equations 1 and 4, only

• Equations 2 and 3, only

• Equations 1, 3, and 4, only