3.4 Function Notation and Evaluating Function

What is x if
f(x) = -2?

• 4
• 0
• 3
• 8

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

f(x) = 3x² - 11
Find f(-5)

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