Interpreting Function Relationships by Analyzing Graphs

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.

• 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

• 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

When did her phone start losing charge?

• 2 PM

• 10 PM

• 4 PM

• 8 PM

Is the function increasing or decreasing from 2 < x < 6?

• Increasing

• Decreasing

Choose all of the information that is true about the graph shown above.

• The graph is increasing between the interval of ( −∞, −2.55) , (0, 2.55)

• The graph is decreasing between the interval of ( −∞, −2.55) , (0, 2.55)

• The roots of the function are at -3,-2, 2, 3

• The function is an even function

• The function is an odd function

When did her phone get back to a full charge?

• 2 PM

• 10 PM

• 4 PM

• 8 PM

This graph shows Andre biking his bike.

What section(s) show that Andre stopped and rested?

• A and B

• B and C

• B and D

• A and C

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

• 24 gallons

• 0 gallons

• 18 gallons

• 30 gallons

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