Solving F(x) Functions

Evaluate f(-2) if f(x) = x+3

• -1
• 1
• 5
• -5

Given g(x) =
 4x - 7, find g(-9). 

• g(-9) = 29
• g(-9) = -43

Given f(x) = x² - 7x, find f(8).  

• f(8) = 8 
• f(8) = -3584

Evaluate the function for the given value:

• 24
• 3
• 80
• 15

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

• x = -5

• x = 5

• x = -50

• x = 30

Let w(x) = 3x - 7. If w(x) = 14, find x.

• 7
• 35
• 2.33333
• -49

If f(x) = x - 5, what is the value of x when f(x) = 15?

• 20
• 10
• 5
• 0

g(x) = 3x + 1
g(10) = ______

• 14
• 31
• 15
• -31

g(x) = x + 1
g(8) = ______

• 9
• 8
• 7
• 6

f(x) = 2x

Find x when f(x)= 12

• x=6

• x=24

• x=3

• x=1