Evaluating Functions Practice (10 Qs)

If f(x) = - 2x² + 2x - 3, what is f(5)?

• -93

• -43

• -28

• $-\frac{43}{5}$

Tags

CCSS.HSF.IF.A.2

 $f(x)=-4x+3$  Find f(-5)

• -17

• -7

• 12

• 23

Tags

CCSS.HSF.IF.A.2

 $f(x)=9x2-5x+2$  Find f(-2).

• 14

• 18

• 28

• 48

Tags

CCSS.HSF.IF.A.2

On analyzing a function, John finds that f(3) = 7. This means that the graph of f passes through the point

• (0, 7)

• (3, 0)

• (3, 7)

• (7, 3)

Tags

CCSS.HSF.IF.A.1

Evaluate g(4): g(x) = 8x² + 9x – 7

• 121

• 135

• 154

• 157

Tags

CCSS.HSF.IF.A.2

Given the function ƒ(x) = 3x³ − 8x² − 15x + 10, find ƒ(3).

• ƒ(3) = −26

• ƒ(3) = −12

• ƒ(3) = 10

• ƒ(3) = 32

Tags

CCSS.HSF.IF.A.2

Given ƒ(x) = 14x + 42, find x when ƒ(x) = 35.

Hint -> Solve:  $35=14x+42$  

•  $-\frac{1}{2}$  

• -1

• 1

• 3

Tags

CCSS.HSF.IF.A.2

Given ƒ(x) = −3x + 21, find x when ƒ(x) = 6.

Hint Solve:  $6=-3x+21$  

• -2

• 3

• 5

• 7

Tags

CCSS.HSF.IF.A.2

Given ƒ(x) = −12x + 72, find x when ƒ(x) = 24.

• 1

• 3

• 4

• 6

Tags

CCSS.HSF.IF.A.2