Evaluating Linear Functions Given X

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

• 21

• -11

• -31

• 25

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

• g(-5) = -25

• g(-5) = 6

• g(-5) = 4

• g(-5) = 35

Evaluate y = 7x when x = -5

• -35

• 35

• 2

• 75

Evaluate f(x)=-2x+13   for f(10)

• -7

• 1

• -8

• 7

Mathematical Equivalence

OFF

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

• 7

• 35

• 2.33333

• -49

Evaluate the function above for x=-2.

• 14

• -10

• 0

• 10

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

• 6

• -8

• 10

• 0

f(x)=-x+3
f(x) = 7

• -4

• -6

• 3

• 13

g(x) = 11 - x
Find g(x) = -7 

• 4

• 17

• 18

• -77