mayse59 mayse59

18-06-2021
Mathematics

contestada

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

Respuesta :

ararah2017 ararah2017

30-06-2021

Answer:

35

Step-by-step explanation:

2x² - 4x- (5 - 2x)

2x² - 4x - 5 + 2x

2x²-2x - 5 = f(x) - g(x)

Now use 5

[tex]2 ({5}^{2} ) - 2(5) - 5 \\ = 35[/tex]

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