If f(x) = 2x² – 4x and g(x) = 5 – 2x, evaluate fx) – g(x) for x = 5. A 15 B 5 C 35 D. 20 ET

Question

If f(x) = 2x² – 4x and g(x) = 5 – 2x, evaluate fx) – g(x) for x = 5.
A 15
B 5
C 35
D. 20
ET

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Cherry 3 years 2021-09-03T18:27:16+00:00 1 Answers 5 views 0

Answers ( )

  1. dangkhoa
    0
    2021-09-03T18:29:11+00:00
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    Answer:

    35

    Step-by-step explanation:

    2x² – 4x- (5 – 2x)

    2x² – 4x – 5 + 2x

    2x²-2x – 5 = f(x) – g(x)

    Now use 5

    2 ({5}^{2} ) - 2(5) - 5 \\ = 35

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