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OpenStudy (elisuzsmith):
Let f(x) = 3x and g(x) = x^2 -5. What is (g*f)(-2)?
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OpenStudy (elisuzsmith):
I have 6 as the answer, but that isn't supposed to be correct.
OpenStudy (elisuzsmith):
(3x)(x^2-5) 3x^3-15x 3(-2)^3-15(-2) 3(-8)-(-30) -24+30 6
OpenStudy (jdoe0001):
I get 6 as well
OpenStudy (elisuzsmith):
hm...thank you!
OpenStudy (jdoe0001):
yw
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