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22 May, 11:09

Assume f (x) = - 2+8 and g (x) = 3x what is the value of (f+g) (-1)

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  1. 22 May, 11:37
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    The meaning of (f + g) (-1) is you substitute - 1 to x of whatever polynomial you obtain after adding the polynomials f (x) and g (x).

    f (x) + g (x) = - 2x + 8 + 3x = x + 8

    Substitute - 1,

    (f + g) (-1) = - 1 + 8 = 7.

    Thus, the answer is 7.
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