I am totally lost on how to work this problem

Calculus
Tutor: None Selected Time limit: 1 Day

The following polynomial represents a profit function for a certain production line, where x is a number of produced units, find

a. the zero and the multiplicity of each

b. where the graph crosses or touches the x-axis

c. number of turning points

d. explain the meaning of the above, if any

f(x) = (x+5)(x-3)(x+3)

Jul 11th, 2015

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profit function.doc 

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Jul 11th, 2015

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