Interpreting Graphs of Linear Functions in Context

What is the range of the graph?

• 1 ≤ x ≤ 5

• 1 < x < 5

• 1 ≤ y ≤ 5

• 1 < y < 5

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

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

• 24 gallons

• 0 gallons

• 18 gallons

• 30 gallons

When did her phone start losing charge?

• 2 PM

• 10 PM

• 4 PM

• 8 PM

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

This graph shows Andre biking his bike.

What section(s) shows that Andre rode down a hill away from his house?

• E

• B and E

• B and D

• A and C

When did she start charging her phone?

• 2 PM

• 10 PM

• 4 PM

• 8 PM