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Question 6 of 10
If f(x) = 5x-2 and g(x) = 2x + 1, find (f- g)(x)..
A. 3x-3
B. 7x-1
C. 7x-3
D. 3-3x
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1 Answer

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A

Step-by-step explanation:

to subtract a function from the other you just subtract the expressions of the functions from each other :

(f-g)(x) = (5x - 2) - (2x + 1) = 5x - 2 - 2x - 1 = 3x - 3

so, A is correct.
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