If f(x) = x2 + 9x and g(x) = 1/x, find f(g(-1)).

its very hard
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2 Answers

If f(x) = x2 + 9x and g(x) = 1/x, find f(g(-1)).

f(g(-1)) = (1/x)^2 + 9(1/x)

f(g(-1)) = (1/-1)^2 + 9(1/-1)

(g(-1)) = 1 - 9 = -8

by Level 8 User (36.8k points)
The correct answer is -8
by

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