Evaluating Functions

• f(-2) = -1

• f(-2) = -9

• f(-2) = 9

• f(-2) = 0

Tags

CCSS.HSF.IF.A.2

Evaluate f(-3)

• f(-3) = -3

• f(-3) = 0

• f(-3) = 2

• not enough information to give an answer

Tags

CCSS.HSF.IF.A.2

f(x) = -x + 2; Evaluate g(-5)

• g(-5) = 7

• g(-5) = -3

• g(-5) = 0

• g(-5) = 3

Tags

CCSS.HSF.IF.A.2

Evaluate f(8)

• f(8) = -3

• f(8) = 1

• f(8) = 0

• f(8) = -1

Tags

CCSS.HSF.IF.A.2

Evaluate r(3)

• r(3) = 16

• r(3) = 12

• r(3) = 13

• r(3) = 0

Tags

CCSS.HSF.IF.A.2

r(-2) = ?

• r(-2) = -12

• r(-2) = -8

• r(-2) = -4

• r(-2) = -2

Tags

CCSS.HSF.IF.A.2

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.HSF.LE.B.5

A company is selling bubble gum. The function g(x)=3x+4 tells the company how much to charge if someone buys x packages of bubble gum. Find g(8) and tell what it means within the context of the problem.

• g(8)=8. This means that after 8 packages of gum, the company makes $8.

• g(8)=42. This means that 8 packages of gum costs $42.

• g(8)=28. This means that 8 packages of gum costs $28.

• g(8)=24. This means that 8 packages of gum costs $24.

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