For f(x)=2x+1 and g(x)=xsquared-7 find (f-g)(x)

(f-g)(x) = - x² + 2 x + 8

Step-by-step explanation:

Explanation:-

Given f(x) = 2 x +1

          g(x) = x² - 7

(f-g)(x) = f(x) - g(x)

          = (2 x + 1) - ( x² -7)

         = - x² + 2 x + 1 + 7

       =  - x² + 2 x + 8

(f-g)(x) = - x² + 2 x + 8    

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step-by-step explanation:

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