Evaluating Functions

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

• 21
• -11
• -31
• 25

f(x)=x+3

f(-5) = ?

• -2

• -1

• -8

• 7

f(x)=2x+2

for x = 4

• 6

• -8

• 10

• 0

g(x) = 5 - 6x
Find g(-5)

• g(-5) = -25
• g(-5) = 6
• g(-5) = 4
• g(-5) = 35

f(x) = 3x² - 11
Find f(-5)

• f(-5) = 64
• f(-5) = -86
• f(-5) = 214
• f(-5) = -7

Evaluate the function for the given value:

• 1
• -11
• -15
• -1

Evaluate f(x)=-2x+13   for f(10)

• -7
• 1
• -8
• 7

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

• -1
• 1
• 5
• -5

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

• x = -5
• x = 5
• x = -50
• x = 30

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}