Interpreting Functions

A pizza parlor calculates the cost of a pizza using the equation

 $C\ =\ 0.75t+10$  

where C is the cost and t is the number of toppings. 

If Rashawn wants pepperoni, mushrooms, and onions on his pizza, what will it cost? 

• $12.25

• $10.75

• $30.75

• $13.50

Tags

CCSS.HSF.LE.B.5

A pizza parlor calculates the cost of a pizza using the equation

 $C\ =\ 0.75t+10$  

where C is the cost and t is the number of toppings. 

Tina only has $12. How many toppings can she get? 

• 2 toppings

• 1 topping

• 4 toppings

• 3 toppings

Tags

CCSS.7.EE.B.4B

Izzy works at a shoe store where she makes $40 per shift plus $10 for each pair of shoes she sells. 

 $T=\ 10x+40$ 

T is Izzy's total income, and x is the number of pairs she sells. 

If Izzy sells 3 pairs of shoes, what will her income be? 

• $70

• $50

• $120

• $130

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Izzy works at a shoe store where she makes $40 per shift plus $10 for each pair of shoes she sells. 

 $T=\ 10x+40$ 

T is Izzy's total income, and x is the number of pairs she sells. 

If Izzy wants to make $100 for her shift, how many pairs of shoes does she need to sell?

• 6 pairs

• 5 pairs

• 10 pairs

• 2 pairs

Tags

CCSS.HSF.LE.B.5

Sarah tracked the value of her car in this graph.

What does the point (2005, 14500) represent?

• In 2005, her car was worth $14,500.

• Her car was worth $2,005.

• She bought the car for $14,500.

• Her car lost $2,005 in value from $14,500.

Tags

CCSS.HSF.IF.B.4

The temperatures in NYC were tracked in this graph.

What does the point (3, 50) represent?

• On the third day, it was 50 degrees F.

• It was only 3 degrees F on day 50.

• The temperature rose 3 degrees on day 50.

• None of these.

Tags

CCSS.HSF.IF.B.4

Russel's height is tracked in this graph. What does the point (12, 3) represent?

• Russel was 3 feet tall when he was 12 years old.

• Russel grew 3 inches when he was 12 years old.

• Russel grew 12 inches when he was 3 years old.

• Russel grew 12 inches over 3 years.

Tags

CCSS.HSF.IF.B.4

Suppose you tracked how many facts you got right in class with this graph.

What does the point (2, 4) represent?

• On day 2, you got 4 facts correct.

• You got 2 facts correct on day 4.

• You got a total of 6 facts correct.

• On day 3, you got 12 facts correct.

Tags

CCSS.HSF.IF.B.4

The height of water in a bucket can be tracked with the equation

 $y=2x+5$  

where y is the height of the water in cm and x is the number of seconds that have gone by. What does the point (4, 13) represent? 

• After 4 seconds, the water height is 13 cm. 

• After 13 seconds, the water height is 4 cm. 

• The water height is between 4 and 13 cm. 

• This point would not exist on the graph. 

Tags

CCSS.HSF.LE.B.5

The distance a car travels can be modeled by the equation

 $y=50x$  

where y is the miles traveled and x is the number of hours that have gone by. What does the point (0, 0) represent? 

• The starting point of the car. 

• Where the car ends after time is up. 

• The car travels 50 miles total. 

• This point would not exist on the graph. 

Tags

CCSS.HSF.LE.B.5