Question

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Let f(x) = 4 - x^2 and g(x) = 2 - x. Find(f - g)(x)

Answer 1

-x^2 +x +2

Explanation:

f(x) = 4 - x^2 and g(x) = 2 - x

(f - g)(x) = 4 -x^2 - (2-x)

= 4 -x^2 - 2+x

= -x^2 +x +2