Evaluating Functions Practice

f(x)=4x+5
f(4)=

• 21
• -11
• -31
• 25

f(x)=x+3
f(x) = -5

• -2
• -1
• -8
• 7

f(x)=2x+2
f(x)= 2

• 6
• -8
• 10
• 0

What is the value of f(0)?

• -2
• 2
• 4
• 0

For what value of x does f(x) = -2?

• 0
• -5
• 3
• -3

What is the value of x when f(x) = 8?

• -4

• 8

• 2

• can't tell from the graph

f(x)=x+3
f(x) = -5

• -2
• -1
• -8
• 7

 $f(x)=-4x+3$  Find f(-5)

• -17

• -7

• 12

• 23

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)

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

• 1

• 3

• 4

• 6