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Home > PC3 > Chapter 7 > Lesson 7.1.1 > Problem 7-13

7-13.

Crane makes for the first six hours on the job and then after that. Jill’s job pays for the first eight hours and then after that. Homework Help ✎

  1. Write the equation of a function that models Crane’s earnings after t hours.

    Make a table for the first hours.
    Note that you will need to write the equation of a piecewise-defined function since there are two different pay rates.

  2. Write the equation of a function that models Jill’s earnings after hours.

  3. When will Jill make ?

    You know that in hours
    Jill will have .
    So .
    Solve for .

  4. When does Crane make more than Jill?

    After hours, Crane has earned and Jill has earned .
    After hours, Crane has earned and Jill has earned .

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