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Let f(x) = 1 / x and g(x) = x ^ 2 - 2. What is (f g)(-3) )?
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Let f(x) = 1 / x and g(x) = x ^ 2 - 2. What is (f g)(-3) )?

User Binzhang
by
5.3k points

1 Answer

5 votes

Answer:


f(g(-3))=1/7

Explanation:

we have


f(x)=(1)/(x)


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

we know that


(fg)(x)=f(g(x))=(1)/(x^(2) -2)

For x=-3

substitute


f(g(-3))=(1)/((-3)^(2) -2)=1/7

therefore


f(g(-3))=1/7

User DallonF
by
6.2k points
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