Functions in Context

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

• cost of $7 to ride the taxi

• cost to ride 7 miles

• minimum distance to ride a taxi

• minimum cost of a taxi

Tags

CCSS.HSF.IF.A.2

The function d(x) where x=gallons of gas and d(x)= # of miles traveled.
Interpret d(8)=300 in context.

• A car with 8 gallons of gas can travel 300 miles.

• A car traveling 8 miles has 300 gallons of gas.

• A car is traveling 300 miles.

• The car traveling 8 mph can go 300 miles.

Tags

CCSS.HSF.LE.B.5

The function W(x) where x=inches of rain and W(x)= # of wildflowers growing.
Interpret W(5)=75

• With 75 inches of rain, there are 5 wildflowers growing.

• When it rains for 5 days there are 75 wildflowers growing.

• There are 75 wildflowers growing.

• With 5 inches of rain, there are 75 wildflowers growing.

Tags

CCSS.HSF.LE.B.5

What does H(5) =18 mean in the context of the problem?

• The height of the plant after 5 weeks is 18 inches

• The height of the plant after 18 weeks is 5 inches

• The height of the plant is 5 inches after 18 weeks

• The height of the plant is dependent on the week it was planted

Tags

CCSS.HSF.IF.A.2

Which of the following represents a function?

Tags

CCSS.8.F.A.1

Which of the following is the correct definition of a function?

• A relation where each input has exactly one output

• A relation where each input has multiple outputs

• A relation where each output has multiple inputs

• A relation where inputs and outputs are the same

Tags

CCSS.8.F.A.1

Tags

CCSS.HSF-BF.A.1C

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

• Total Cost of a taxi

• Total Miles in taxi

Tags

CCSS.HSF.LE.B.5

What does the slope represent in this situation?

• The sloth runs 1 feet in 3 minutes

• The sloth runs 3 feet in 1 minute

• The sloth runs fast

• The sloth runs 6 feet in 1 minute

Tags

CCSS.HSF.IF.B.4

What is the meaning of the y-intercept?

• The weight in the bucket increases by 1 pound per pound of sand.

• Before sand is put in the bucket, it weighs 1 pound.

• The starting weight of the sand is 1 pound.

• The weight in the bucket decreases by 1 pound per pound of sand.

Tags

CCSS.8.EE.B.5