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1) (15 points) Let

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a. Sketch the graph of f(x).

b. Find tex2html_wrap_inline42tex2html_wrap_inline44tex2html_wrap_inline46

c. Find the values of x where f is not continuous.

2) (25 points)

Compute the following limits:
 
 

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3) (25 points)

Compute the derivative of the following functions. You don't need to simplify your answer:
 
 

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4) (30 points)

Let

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a. Find the domain of f(x), the intercepts , vertical and horizontal asymptotes, if any.

b. Compute f'(x) and find the critical points of f.

c. Give the intervals where f is increasing and those where f is decreasing. Find all local maxima and all local minima.

d. Sketch the graph of f, using the previous information.

e. If f(x) for x;SPMgt;2 represents the cost function in thousands of dollars of producing x hundred wading pools, how many pools would you produce in order to minimize your cost? What would that minimal cost be?

5) (20 points)

Let

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a. Find the equation of the tangent line to the curve y=f(x) at x=0.

b. Compute f''(x). Give the intervals where f is concave upward and those where f is concave downward. Is there any inflection point for f?
 




Lorenzo Sadun

Tue Sep 12 15:14:47 CDT 2000