Semester Terminal Exams (STE) For Semester Autumn 2020
BA (Renamed as Associate Degree) Program Autumn 2020
Code No 1429 Business Mathematics Paper STE 2020 free download AIOU
(a) Find fx(x,y), fy(x,y), fx(1,3),
and fy(-2,4) for the
given function. If 𝑧 = 𝑓(𝑥, 𝑦) =
b) A firm estimate that it can sell Q units of its product with an
advertising expenditure of x thousand dollars where
Q(x)= -x² + 600x + 25
i) Over what level of advertising
expenditure is the number of units of product sold increasing?
ii) Over what level of advertising expenditure
is the number of units of
product sold decreasing?
c) Determine the location and values of the absolute maximum and
absolute minimum for the given function:
𝑓(𝑥) =
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