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For f(x)= 2x+1 and g(x)=x²-7, find (f-g)(x) A.x²-2x-8 B.-x²+2x-6 C.-x²+2x+8 D.2x²-15

For f(x)= 2x+1 and g(x)=x²-7, find (f-g)(x) A.x²-2x-8 B.-x²+2x-6 C.-x²+2x+8 D.2x²-15
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2 votes
For f(x)= 2x+1 and g(x)=x²-7, find (f-g)(x)

A.x²-2x-8
B.-x²+2x-6
C.-x²+2x+8
D.2x²-15

asked
User Ghassan Idriss
by
8.2k points

1 Answer

5 votes

Answer:

C

Explanation:

(2x+1) - (x²-7) = 2x + 1 - x²- + 7 = -x²- + 2x + 8

answered
User Pinhead
by
7.5k points
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