Interpreting Graphs of Functions

The graph of the function for the amount of water in gallons, D, in a tank at time, t, is shown. What statement is true?

• The water is draining out because the line is decreasing.

• The water is draining out because the line is increasing.

• The water is filling up because the line is decreasing.

• The water is filling up because the line is increasing.

Tags

CCSS.HSF.IF.B.4

Noah is depositing money in his account every week to save money (shown in the graph). The amount of money in Elena's account is  $M=4w+80$  , where  $w$  is the number of weeks since the account was opened and  $M$  is the amount of money saved.

Who started out with more money in their account?

• Noah because $80 is more than $60.

• Elena because $80 is more than $60.

• Noah because $4 is more than $2

• Elena because $4 is more than $2

Tags

CCSS.HSF.LE.B.5

Noah is depositing money in his account every week to save money (shown in the graph). The amount of money in Elena's account is  $M=4w+80$  , where  $w$  is the number of weeks since the account was opened and  $M$  is the amount of money saved.

Who saved at a faster rate?

• Noah because $80 is more than $60.

• Elena because $80 is more than $60.

• Noah because $5 is more than $4

• Elena because $5 is more than $4

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

In a certain city in France, they gain 2 minutes of daylight each day after the spring equinox, but after the autumn equinox they lose 2 minutes of daylight each day.

Which of the graphs is most likely to represent the graph of daylight for the month after the spring equinox?

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• 
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Tags

CCSS.8.EE.B.5

In a certain city in France, they gain 2 minutes of daylight each day after the spring equinox, but after the autumn equinox they lose 2 minutes of daylight each day.

Which of the graphs is most likely to represent the graph of daylight for the month after the autumn equinox?

• 
• 
• 
• 

Tags

CCSS.8.EE.B.5

Elena filled up the tub and gave her dog a bath. Then she let the water out of the tub.

When did she turn off the water faucet?

• after 6 minutes

• after 12 minutes

• after 18 minutes

• after 30 minutes

Tags

CCSS.HSF.IF.B.4

Elena filled up the tub and gave her dog a bath. Then she let the water out of the tub.

How much water was in the tub when she bathed her dog?

• 24 gallons

• 0 gallons

• 18 gallons

• 30 gallons

Tags

CCSS.HSF.IF.B.4

Elena filled up the tub and gave her dog a bath. Then she let the water out of the tub.

How long did it take for the tub to drain completely?

• 6 minutes

• 12 minutes

• 18 minutes

• 30 minutes

Tags

CCSS.HSF.IF.B.4

Elena filled up the tub and gave her dog a bath. Then she let the water out of the tub.

At what rate did the faucet fill the tub?

• 4 gallons per minutes

• 2 gallons per minutes

• 3 gallons per minutes

• 5 gallons per minutes

Tags

CCSS.HSF.IF.B.4

Elena filled up the tub and gave her dog a bath. Then she let the water out of the tub.

At what rate did the water drain from the tub?

• 4 gallons per minutes

• 2 gallons per minutes

• 3 gallons per minutes

• 5 gallons per minutes

Tags

CCSS.HSF.IF.B.4