calculus

Let q(x)=(x^4)(e^-x). Calculate q'(x). Use q'(x) to determine whether q(5)<q(6) or q(5)>q(6) (do not use a calculator). Explain your reasoning.

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  1. let q=uv
    then q'=uv'+vu'

    u= x^4 then u'=4x^3
    v=e^-x then v'=-e^-x

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    bobpursley

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