evaluating functions

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

• 21
• -11
• -31
• 25

Tags

CCSS.HSF.IF.A.2

f(x)=x+3
f(x) = -5

• -2
• -1
• -8
• 7

Tags

CCSS.HSF.IF.A.2

f(x)=x²-5x
f(4)=

• -4
• 126
• 24
• 84

Tags

CCSS.HSF.IF.A.2

Evaluate f(x) = x² for f(-8)

• 64
• -64
• -16
• 16

Tags

CCSS.HSF.IF.A.2

Evaluate f(t)=-2t²+ 1 for f(2)

• 9
  
• 17
• -17
• -7

Tags

CCSS.HSF.IF.A.2

For what value of x does f(x) = -2?

• 0
• -5
• 3
• -3

Tags

CCSS.HSF.IF.A.2

For what value of x does f(x) = -2?

• 0
• -5
• 3
• -3

Suppose f(x) = x² - 8. Evaluate f(2) - f(3).

• -7

• 5

• -1

• -5

Tags

CCSS.HSF.IF.A.2