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insens350 [35]
3 years ago
15

If f(x)=3x-1 and g(x)=x+2,find (f-g)(x)

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
7 0

Answer:

\large\boxed{(f-g)(x)=2x-3}

Step-by-step explanation:

(f-g)(x)=f(x)-g(x)\\\\f(x)=3x-1,\ g(x)=x+2\\\\\text{substitute:}\\\\(f-g)(x)=(3x-1)-(x+2)\\\\=3x-1-x-2\qquad\text{combine like terms}\\\\=(3x-x)+(-1-2)\\\\=2x-3

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