If f(x) =3x^2 -2 and g(x) = 2x+ 4 , find (f - g) (x). O A. 3x^2-2x-6 O B. 3x^2-2x+2 O C. x^2 +2 O D. 2x-3^2-2

asked Jan 15, 2023 222k views

18 votes

If f(x) =3x^2 -2 and g(x) = 2x+ 4 , find (f - g) (x).

O A. 3x^2-2x-6
O B. 3x^2-2x+2
O C. x^2 +2
O D. 2x-3^2-2

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9 votes

Answer: A

Explanation:

$(f-g)(x)=f(x)-g(x)=(3x^(2)-2)-(2x+4)=3x^(2)-2-2x-4=\boxed{3x^(2)-2x-6}$

Hasanthi answered Jan 21, 2023

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