Solve the problem.A window washer accidentally drops a bucket from the top of a 256-foot building. The height h of the bucket after t seconds is given by 
How long will it take for the bucket hit the ground?
A. 16 sec
B. 64 sec
C. 4 sec
D. -4 sec
Answer: C
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Provide an appropriate response.Graph f(x) = cos-1 x together with its first derivative. Comment on the behavior of f and the shape of its graph in relation to the signs and values of f'. 
What will be an ideal response?
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 14 B. 7 C. 6 D. 21
Integrate the function.
A. tan-1 6 - tan-1 
B. tan-1 5 - tan-1 6
C. 
tan-1 6 - 
tan-1 
D. tan-1 
- tan-1 6
Goods or services from outside the industry that perform functions that are similar to an existing product in a different industry are known as
A. complimentary products B. substitute products C. switching products D. differentiated products