Calculus 1 Lecture 3 7 2 More Optimization

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CALCULUS 1: CHAPTER 3: Applications of Derivatives
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There is a factoring error on #8. Near the end you see 2x(x^2-7)=0. Should be 2x(2x^2-7)=0. So the answers are x=0, x=-sqrt(7/2), x=sqrt(7/2) instead of -sqrt(7) and sqrt(7). My apologies. That makes the y-value 15/2 instead of 11.

kevinpinegar