INTERPRETING FUNCTIONS

Consider the function f(x)=9x+5.  Find f(7).

• 102
• 68
• 7
• 21

Tags

CCSS.HSF.IF.A.2

Consider the function k(x)=x/5-3.  Find k(-20).

• -20
• 1
• -7
• -1

Tags

CCSS.HSF.IF.A.2

Consider the function t(x)=x/8+2x.  Find t(16).

• 34
• 160
• 16
• 56

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

The function c(m) = 1.45m + 3.50 represents the cost of a taxi for m miles.
What does c(7) represent?

• A cost of $7 to ride the taxi
• The cost to ride 7 miles
• The minimum distance to ride a taxi
• The minimum cost of a taxi

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Derek works at Subway making $9.25 an hour.  The function d(x)=9.25x tells us how much money Derek makes after x hours of working.  What is the meaning of d(4)=37?

• After 4 hours of work, Derek makes $37.
• Derek needs $4 more to have $37 total.
• After working for 4 days, Derek makes $37 total.
• After 4 hours of work, Derek now makes $37 an hour instead of $9.25.

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

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

• 4
• 0
• 3
• 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

What is f(8)? 

• 8
• 0
• 3
• -2

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Evaluate f(5)

• 1
• 10
• 13
• 16

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Determine x if,  f(x) = 10

• 33
• 11
• 10
• 30

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3