Find the quadratic approximation of f at x = 0.f(x) = x
A. Q(x) = 1 - 2x
B. Q(x) = 4x2
C. Q(x) = 1 + 2x
D. Q(x) = 2x
Answer: D
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Solve the problem.A long strip of sheet metal 12 inches wide is to be made into a small trough by turning up two sides at right angles to the base. If the trough is to have maximum capacity, how many inches should be turned up on each side?
A. 6 in. B. 3 in. C. 4 in. D. 4 in. on one side, 5 in. on the other
Find the volume of the indicated region.the region common to the interiors of the cylinders 
and 
A. 
B. 500
C. 
D. 
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 33 months after the item first becomes available.
A. 90,000 items per month B. 3300 items per month C. 6300 items per month D. 900 items per month
Find the product.(2x - 7y)2
A. 2x2 + 49y2 B. 4x2 - 28xy + 49y2 C. 4x2 + 49y2 D. 2x2 - 28xy + 49y2