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3 August, 02:42

If f (x) = 2x2 - 5 and g (x) = 3x + 3, find (f - g) (x).

O

A. 2x2 - 3x - 8

O

B. - X2 - 8

O c. 2x2 - 3x-2

O D. 3x - 2x2 - 2

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  1. 3 August, 03:00
    0
    Answer: A. 2x2 - 3x - 8

    Just subtract the functions and combine like terms

    (f - g) (x) = f (x) - g (x)

    (f - g) (x) = 2x^2 - 5 - (3x + 3)

    (f - g) (x) = 2x^2 - 5 - 3x - 3

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