MathsIB_ass5_calc_q (3).pdf

MathsIB_ass5_calc_q (3).pdf - Mathematics IB Calculus...

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Mathematics IB Calculus Assignment 5 Summer Semester 2018 Submit solutions by 5pm Monday February 5th 1. Consider the function f ( x ) = x 3 e - x 2 / 2 . Find the intervals on which f is concave down and hence the maximum of f (give an exact answer, not a decimal approximation). Hint: at some point, you will have to factor a quartic polynomial in x ; it might help to try making the
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