1 Answered Questions for the topic Calc 1,

Calc 1,

10/11/16

Calc I question HELP!!!
Let f(x) = 9xe^x (a) Find the exact value of x so that f ''(x)=0. so x= -2 I am having trouble solving the next question: (b) For what interval is f(x) concave up? (Enter your answer using interval... more
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