Evaluate the function f(8) + g(-1) for the functions f(x) = -2x + 9 and g(x) = x²-2

Question

Evaluate the function
f(8) + g(-1) for the functions f(x) = -2x + 9 and g(x) = x²-2

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RuslanHeatt 1 year 2021-09-04T06:05:06+00:00 1 Answers 10 views 0

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    2021-09-04T06:06:27+00:00

    Answer:

    – 8

    Step-by-step explanation:

    To evaluate f(8) substitute x = 8 into f(x)

    f(8) = – 2(8) + 9 = – 16 + 9 = – 7

    Similarly for g(- 1)

    g(- 1) = (- 1)² – 2 = 1 – 2 = – 1

    Then

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

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