2 years ago

Find (g•f)(3) F(x)=|x+2| g(x)=-x^2

1 answer:

6 0

$f(x)=|x+2|\\\\g(x)=-x^2\\\\(g\circ f)(x)=-x^2|x+2|=-|x^2|\cdot|x+2|=-|x^2(x+2)|=-|x^3+2x^2|\\\\(g\ \circ\ f)(3)=-|3^3+2(3)^2|=-|27+2(9)|=-|27+18|=-45$

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