Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 6: Functions; Lesson 3: Comparing Functions


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  • Question 14 (request help)

    The French club and soccer team are washing cars to earn money. The amount earned, y dollars, for washing x cars is a linear function. Which group makes the most money per car? Explain.

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  H.O.T.  

  Focus on Higher Order Thinking  

  • Question 15 (request help)

    Draw Conclusions

    Gym A charges $60 a month plus $5 per visit. The monthly cost at Gym B is represented by \(\text{y} = 5\text{x} + 40\), where x is the number of visits per month. What conclusion can you draw about the monthly costs of the gyms?

  •    is more expensive
  • Question 16 (request help)

    Justify Reasoning

    Why will the value of y for the function \(\text{y} = 5\text{x} + 1\) always be greater than that for the function \(\text{y} = 4\text{x} + 2\text{ when }x \gt 1\)?

  • Type below:
  • Question 17 (request help)

    Analyze Relationships

    The equations of two functions are \(\text{y} = -21\text{x} + 9\) and \(\text{y} = -24\text{x} + 8\). Which function is changing more quickly? Explain.

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