3 cal problems – Excelsior Writers  excelsiorwriters.com
Mathematics
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1.
A box is to be constructed from a sheet of cardboard that is 10 cm by 60 cm by cutting out squares of length x by x from each corner and bending up the sides.
What is the maximum volume this box could have? (Round your answer to two decimal places.) (7 points)
2.
To three decimal places, find the value of the first positive xintercept for the function f(x) = 2cos(x + 1). (6 points)
3.
Find the maximum value of the function f(x) = x^{2} + 3x + 2. (7 points)
4.250 

1.500 

There is no maximum 

Cannot be determined 