Function and Rate of Change

What is the domain of the function graphed?

• x < 5

• x ≥ 1

• x > 0

• All real numbers

What is the range of the function shown?

• {10, 19, 26}

• {-3, 0, 4}

• {-3, 0, 4, 10, 19, 26}

• {0, 16}

What is the average rate of change from x=0 to x=1?

• -3

• 3

• 0

• 2

Calculate the average rate of change between [20, 40] minutes.

• 2

• -20

• -2

• 20

What are the zeroes of this graph? Choose three.

• x= 4

• x = 2

• x = -1

• x = -4

• x= -2

• 16

• 48

• -28

• 4

What is the constant rate of change in miles per hour while driving in the city?

• 25 miles per hour

• 2 miles per hour

• 60 miles per hour

• 30 miles per hour

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.

Is this mapping a function or not a function? 

• Function

• Not a Function 

Is this graph a function or not a function? 

• Function

• Not a Function