Math Functions Review

What is the y-intercept?

• 12

• -3

• 8

• 0

Find the rate of change

• 1

• 2

• 11

• slopeNot a constant slope/Non-Linear

What was the average rate of change in the number of fish caught per week between weeks 2 and 5?

• about 13 fish per week

• about 18 fish per week

• about 32 fish per week

• about 40 fish per week

Which of the following intervals has the largest average rate of change?

• [13,14]

• [13, 17]

• [16, 17]

• [16, 19]

Is the relation a function? Why.

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

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

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

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

The mapping ​ (a)   y as a function of x, because ​ (b)  

• does not represent

• does represent

• each x-value corresponds to more than one y-value

• each x-value corresponds to only one y-value

What is the y intercept?
y = 2x - 3

• 3

• -3

• 1

• 2

Compare the rates that each rental store charges per hour.

• Water's Edge Rafts has a lower rate because they charge $6 per hour.

• Water's Edge Rafts has a lower rate because they charge $5 per hour.

• Ryan's Rafts has a lower rate because they charge $2.25 per hour.

• Ryan's Rafts has a lower rate because they charge $15.00 per hour.

What is the equation of the following table

• y = 7(2)^x

• y = 4x + 7

What is the equation of the following table

• y = 7(2)^x

• y = 4x + 7