Function Substitution

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

Tags

CCSS.HSF.IF.A.2

If h(a) = 3 - 2x², find h(-3).

• 33
• 21
• 39
• -15

Tags

CCSS.HSF.IF.A.2

What is f(1)?

• 1
• 5
• 0
• 4

Tags

CCSS.HSF.IF.A.2

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

• 4
• 0
• 3
• 8

Tags

CCSS.HSF.IF.A.2

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

• f(-1) = -20
• f(-1) = -24

Tags

CCSS.HSF.IF.A.2

Solve for f(10):
f(10) = -x - 5

• 15
• -5
• -15
• 50

Tags

CCSS.HSF.IF.A.2

What is the value of x in:
f(3) = 2x + 1

• 3
• 2
• 1
• 0

Tags

CCSS.HSF.IF.A.2

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Tags

CCSS.HSF.IF.A.1

Given f(x)=5x-2 and g(x)=x², find f(2)+g(7)

• 8

• 57

• 49

• -41

Tags

CCSS.HSF.IF.A.2

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall
• The plant grows at a rate of 5/4 inch per week
• After 4 weeks the plant is 5 inches tall
• The plant grows at a rate of 1 inch per week

Tags

CCSS.HSF.IF.A.2