3 years ago

If f(x)=3x-2 and g(x)=2x+1,find (f-g)(x) A. x - 3 B. 5x - 3 C. 3 - x D. 5x - 1

Mathematics

2 answers:

djyliett [7]3 years ago

7 0

Answer:

<em><u>A</u></em>

$f(x) = 3x - 2 \\ g(x) = 2x + 1 \\ (f - g)x = f(x) - g(x) \\ = (3x - 2) - (2x + 1) \\ = (3 - 2)x + ( - 2 - 1) \\ = x - 3$

Nady [450]3 years ago

6 0

Answer:

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

= 3x - 2 - (2x + 1)

= 3x - 2 - 2x - 1 ← collect like terms

= x - 3 → A

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