Math II (1Q): Quiz No. 3 - Functions

For the function below, which of the following represents its range?

• [-1, 5]

• [-7, 8]

• [-1, 4]

• [-7, 9]

If f(x) = 5x - 7, then what is the solution to f(x) = 4 ?

• 13

• -7

• 11/5

• -26/3

Tags

CCSS.HSF.IF.A.2

If h(x) = 10 - x² , then determine the value of h(f(2)). Use the given graph as your reference.

• 8

• 15

• -12

• -54

If f(x) represents a one-to-one function, which of the following could be the value of k?

• 20

• -11

• 7

• 8

If g(x) = x² - 5 and h(x) = 7x -11, then which of the following is the value of g(h(3))?

• 95

• 115

• 103

• 75

Tags

CCSS.HSF-BF.A.1C

For the graph of g(x) pictured below, over which of the following intervals is g(x) only decreasing?

• -4 < x < 4

• -8 < x < -2

• -2 < x < 6

• -5 < x < 2

If y = x² + 3x - 10 , then over which of the following intervals is f(x) < 0 ?

• -10 < x < 3

• -7 < x < 1

• -5 < x < 2

• -3 < x < 3

Given the graph of the function shown below, what is its maximum y - value of the interval -5 ≤ x ≤ 9?

• 5

• 6

• 3

• 10

If f(x) = 4x + 7, then the zero of f(x) is at___________.

• x = -7

• x = 2.25

• x = -1.75

• x = 11.5

Tags

CCSS.HSF-IF.C.7D

Given f(x) = -4x - 10 and f(x) = 10. Find the value of x.

• x = -5

• x = 8

• x = -10

• x = 20

Tags

CCSS.HSF.IF.A.2