Evaluating Functions

Evaluate f(x) = x² for f(-8)

• 64
• -64
• -16
• 16

f(x)=x²-5x
f(4)=

• -4
• 126
• 24
• 84

Evaluate f(t)=-2t²+ 1 for f(-3)

• 19
  
• 37
• -17
• -11

f(x)=x²-5x
f(4)=

• -4
• 126
• 24
• 84

Evaluate r(3)

• r(3) = 16

• r(3) = 12

• r(3) = 13

• r(3) = 0

Given 
f(x)= 2x² + 5x - 17, find f(-1). 

• f(-1) = -20
• f(-1) = -24

If f(x)=6x²-4,
what is f(-1)?

• -2
• 13
• 2
• 0