A music app charges $2 to download the app plus $1.29 per song downloaded

Discussion in 'Calculator Requests' started by math_celebrity, Dec 6, 2020.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    A music app charges $2 to download the app plus $1.29 per song downloaded

    Let d be the number of downloads. The cost function C(d) is:
    C(d) = cost per download * d + download fee
    C(d) = 1.29d + 2
     
    math_celebrity, Dec 6, 2020
    #1

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