Function Notation Answers

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On a coordinate plane, a straight line with a negative slope, labeled f of x, crosses the y-axis at (0, 4), and the x-axis at (4, 0).

f of 0 = 3

f of 5 = negative 1

f of 3 = 2

f of 2 = negative 2

The table represents a function.

–3

–1

Consider the function represented by the table.

–7

–4

The table represents a function.

–8

–1

The function can be used to find the volume of air inside a basketball given its radius. What does V(r) represent?

the radius of the basketball when the volume is V

the volume of the basketball when the radius is r

the volume of the basketball when the radius is V

the radius of the basketball when the volume is r

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