Function Notation: Quiz

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Consider the function represented by the table. For which x is f(x)=-3?

A. -7

The table represents a function. What is f(5)?

A. -8

The point (-3, -5) is on the graph of a function. Which equation must be true regarding the function?

A. f(-3) = -5

The function v(r)=4/3πr^3 can be used to find the volume inside a basketball given its radius. What does v(r) represent?

B. The volume of the basketball when the radius is r

The height of a rocket a given number of seconds after it is released is modeled by h(t)-16t^2+32t+10. What does t represent?

A. The number of seconds after the rocket is released

The function f(x) is given by the set of ordered pairs. {(8, -3), (0, 4), (1, -5), (2, -1), (-6, 10)} Which is true regarding the function?

D. f(-6) = 10

The function g(x) is graphed. Which statements about the function are true? Choose three options.

2. g(0)=0 4. g(1)=1 g(-1)=1

Which is true regarding the graphed function f(x)?

B. f(5)= -1

Consider the functions represented by 9x+3y=12 with x as the independent variable. How can this function be written using function notation.

B. f(x)-3x+4

If point (4, 5) is on the graph of a function, which equation must be true?

C. f(4)=5


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