Find f(x) if it is known that f(x+3)=5x+15.

Question

Find f(x) if it is known that f(x+3)=5x+15.

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Eloise 4 weeks 2021-09-20T15:08:35+00:00 1 Answer 0

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    2021-09-20T15:09:55+00:00

    Answer:

    The function is “f(x) = 5*x”

    Step-by-step explanation:

    Everytime we add a number to the independent variable of a function, in this case x, there’ll be a common factor between the variable and a pure number. To solve this problem we need to make “(x + 3)” appear. Since we have “f(x+3)” we need to first factor the common denominator. We have:

    f(x + 3) = 5*(x + 3)

    Therefore,

    f(x) = 5*x

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45:7+7-4:2-5:5*4+35:2 =? ( )