Question

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Answer 1

D. 3x - 3

Explanation:

To find (f-g)(x) you have to subtract each fuction

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

(f-g)(x) = 5x -2 - (2x+1)

(f-g)(x) = 5x -2 -2x -1

(f-g)(x) = 3x -3

Answer 2

3x - 3

Explanation:

this can be written as

f(x) - g(x)

so since we know what f(x) and g (x) are equal to :

5x - 2 - 2x - 1 = 3x -3