Lesson 18 Review

The graph shows a company’s profit over time.

Drag each section into the box that describes that section of the graph.

• Section D

• Increasing at varies rates

• Section A

• Increasing at a faster constant rates

• Section E

• Decreasing at constant rate

• Section C

• Increasing at a slower constant rate

• Section B

• Not changing

The graph shows the outdoor temperature as a function of time. Complete the statement.

The temperature increases ​ (a)   and then ​ (b)   .

• quickly
• slowly

A boat traveled from one side of the lake to the other and measured the depth of the lake at different points.

Select all options that describe section A.

• The depth of the lake increases.

• The depth of the lake decreases.

• The rate of change is constant.

• The rate of change varies.

A boat traveled from one side of the lake to the other and measured the depth of the lake at different points.

Select all options that describe section D.

• The depth of the lake increases.

• The depth of the lake decreases.

• The rate of change is constant.

• The rate of change varies.

A boat traveled from one side of the lake to the other and measured the depth of the lake at different points.

What best describes section E?

• The depth of the lake increases.

• The depth of the lake decreases.

• There is no change in depth.

• The boat stops.

A boat traveled from one side of the lake to the other and measured the depth of the lake at different points.

Based on the graph, what is the deepest part of the lake?

• At the start of section A.

• Between section A and section B.

• Between section B and section C.

• At the end of section E.

Laila ran on track. She starts at a constant rate. Then she ran at a constant rate that was slower than before.

Which graph best represents the distance traveled as a function of time.

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Aelin gets on the bus at school. She rides the bus past her house and gets off at her friends house.

Which graph represents the story?

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Aelin walks from home to Feyre’s house on her way to school. Feyre is running late, so after a few minutes, Feyre’s mother drives them to school.

Which graph represents the story?

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Aelin rides her bike home after school. She stops at the park on the way home and then goes the rest of the way home.

Which graph represents the story?

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