WildeA601029 WildeA601029

28-10-2022
Mathematics

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If f(x) = 2x² + 5 and g(x)=x2-2, find (f- g)(x).

If fx 2x 5 and gxx22 find f gx class=

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PurviW550694 PurviW550694

28-10-2022

f(x)= 2x^2 + 5

g(x)= x^2 - 2

(f-g)(x)= (2x^2 + 5 ) - (x^2 - 2 )

Distribute the minus sign:

(f-g)(x)= 2x^2 + 5 -x^2 + 2

Combine like terms

(f-g)(x)= x^2 + 7 (option C)

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