GRamirez98 GRamirez98

19-09-2018
Mathematics

contestada

For f(x)=4x^2-3 and g(x)=x+1 find (f-g)(x)
Ax-4x^2-2
B4x^2-x-2
c4x^2-x-4
D4x^3-3

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sarahh13579 sarahh13579

19-09-2018

So (f-g)(x) basically is a fancier way of saying f(x) - g(x).

f(x) - g(x) = (4x²-3) - (x+1) (distribute the negative sign)

= 4x² - 3 - x - 1 (add like terms)

= 4x² - x - 4 (answer)

C.

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