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IM: 8.5.4: Tables, Equations, and Graphs of Functions (Practice)

Last updated 11 months ago

10 questions

The amount Lin’s sister earns at her part-time job is proportional to the number of hours she works. She earns $9.60 per hour.

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The graph and the table show the high temperatures in a city over a 10-day period.

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Question 1

1.

What was the high temperature on Day 7?

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Question 2

2.

On which days was the high temperature 61 degrees?

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Question 3

3.

Is the high temperature a function of the day? Explain how you know.

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Question 5

5.

Write an equation in the form y =kx to describe this situation, where x represents the hours she works and y represents the dollars she earns.

Question 6

6.

Is y a function of x? Explain how you know.

Question 7

7.

Write an equation describing x as a function of y.

Using the equation: 2m + 4s = 16

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Question 8

8.

Complete the table.

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Question 9

9.

Graph the line using s as the dependent variable.

Question 10

10.

Solve the system of equations:

Question 4

4.

Is the day a function of the high temperature? Explain how you know.