Solve It! The diagram shows how long it takes to hear thunder after you see lightning. What general rule can you use to model this situation?

2

2

10

Problem 1 Got It?

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B

C

D

3

3

10

Problem 2 Got It?

A

B

C

D

4

20

Problem 3 Got it? Weight on the moon y varies directly with weight on Earth x. A person who weighs 100 lb on Earth weighs 16.6 lb on the moon. What is an equation that relates weight on earth x and weight on the moon y? What is the graph of this equation?

Be sure to include relevant graph detail: label axes, indicate units on both axes, and use arrows to represent end behavior, as appropriate.

5

5

10

Problem 4 Got It?

A

B

C

D

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