dlonzzer7 dlonzzer7

11-12-2019
Mathematics

contestada

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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laurellee27 laurellee27

11-12-2019

Answer:

C

Step-by-step explanation:

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

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