Evaluating Functions

If f(x)=4x+5

Evaluate f(4)=

• 21

• -11

• -31

• 25

If f(x)=x²-5x

Evaluate f(4)=

• -4

• 126

• 24

• 84

If f(x)=2x+2

Find f(x) for x = 4

• 6

• -8

• 10

• 0

If f(x)=x²-5x

Evaluate f(4)=

• -4

• 126

• 24

• 84

Evaluate f(x) = x² for f(-8)

• 64
• -64
• -16
• 16

Evaluate f(t)=-2t²+ 1 for f(-3)

• 19

• 37

• -17

• -11

Evaluate f(t)=-2t²+ 1 for f(2)

• 9
  
• 17
• -17
• -7

If g(x) = 5 - 6x

Find g(-5)

• g(-5) = -25

• g(-5) = 6

• g(-5) = 4

• g(-5) = 35

If f(x) = 3x² - 11

Find f(-5)

• f(-5) = 64

• f(-5) = -86

• f(-5) = 214

• f(-5) = -7

What is the value of f(0)?

• -2
• 2
• 4
• 0