Use the given zero to find all zeros of the function.f(x) = x4 - 32x2 - 144; zero: -2i
A. 2i, 12i, -12i
B. 2i, 6, -6
C. 2i, 12, -12
D. 2i, 6i, -6i
Answer: B
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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?
Represent the data graphically.A vehicle purchased for $52,000 depreciates at a rate of 10% each year. Its value at the end of each of the first five years is as follows:
A. 
B. 
C. 
D. 
Write as a decimal.9%
A. 0.9 B. 9 C. 90 D. 0.09
Solve the problem.The sales of a new product (in items per month) can be approximated by 
, where t represents the number of months after the item first becomes available. Find the number of items sold per month 3 months after the item first becomes available.
A. 4325 items per month B. 725 items per month C. 2325 items per month D. 525 items per month