Understanding Functions

Practice Questions

SAT Math › Understanding Functions

Questions
10
1

Function44

The function f(x) is shown above for all the numbers within its domain. What is the value of the function when it is at its minimum?

2

If n is a constant in the function f(x) = nx + 5, and f(14) = -2, what is f(2)?

3

The polynomial function has zeroes at and . Which of the following could be the graph of in the plane?

4

Sinfunc

The graph of the function f(x) is given above for all numbers within its domain. At approximately what value of x is the function at its minimum?

5

Basketgraph

The graph above is a function of a basketball team's probability of winning (shown on the y-axis) as a function of the time elapsed during a 48-minute game (shown on the x-axis). Which of the following best describes the team's performance during the game?

6

Zerofunction

The graph of the function g(x) is given above for all numbers within its domain. At what value of x does the function equal zero?

7

Funcgraph1

The graph of the function is given above for all numbers within its domain. At what value of is the function at its maximum?

8

Rpmgraph

The graph above plots Jessica's workout in a 35-minute spin class, with her number of pedal revolutions per minute (RPM) graphed as a function of elapsed time. Approximately how many minutes into the workout was her revolutions per minute the highest?

9

Function4

The graph of the function is shown above for all numbers within its domain. What is the difference between the coordinates at the points at which the function is at its minimum and at its maximum?

10

Function51

The graph of the function f(x) is given above for all numbers within its domain. At what value of x is the function at its minimum?

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