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30 March, 20:21

Use the function to answer the question.

f (x) = x^2-4; g (x) = x+2

Which is equal to (f+g) (x) ?

x^2-2

x^2+4x

x^2+x-2

x^3+2x^2-4x-8

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Answers (1)
  1. 30 March, 22:40
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    x^2+x-2

    Step-by-step explanation:

    f (x) = x^2-4;

    g (x) = x+2

    (f+g) (x) = x^2-4 + x+2

    Combine like terms

    =x^2 + x - 2
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