F(x)=x - 1 and g(x)=x^2−x. Find and simplify the expression. (f+g)(3)

MLavrentyev asked Apr 14, 2022

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25 votes

F(x)=x - 1 and g(x)=x^2−x. Find and simplify the expression.
(f+g)(3)

MLavrentyev asked Apr 14, 2022

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29 votes

Answer:

Explanation:

(f+g)(x) = (f)(x)+g(x)

= x - 1 + x^2 - x

= x^2 - 1

(f+g)(3) = (f)(3)+g(3)

= 2 + 6

= 8

Jack Frost answered Apr 20, 2022

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