The regular price of a pair of jeans is x dollars. Let f(x) = x – 15, where frepresents the price of the jeans discounted by $15. Let

Question

The regular price of a pair of jeans is x dollars. Let f(x) = x – 15, where frepresents the price of
the jeans discounted by $15. Let g(x) = 0.8 x represent the price of the jeans discounted by 20%.
Use composition to find the price of the jeans if they are first discounted by 20%, then by $15.

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Cherry 6 months 2021-08-11T00:03:11+00:00 1 Answers 7 views 0

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  1. thuthao
    0
    2021-08-11T00:04:18+00:00
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    Answer:

    (f o g)(x) = 0.8x – 15

    Step-by-step explanation:

    (f o g)(x) = f(g(x)) = applying first g(x), and then using that result as input value for f(x).

    so, first we discount by 20% and use g(x)

    g(x) = 0.8x

    and then we use that in f(x)

    f(0.8x) = 0.8x – 15

    and that is the result.

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