Simplify the given expression. Expansion of any term is not necessary; proper recognition of the form of the expression leads to the proper result.2 cos2 4x - 1
A. 
sin 16x
B. 2 sin 4x
C. cos 8x
D. cos 4x
Answer: C
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Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = -x(1 - y), y(2) = 2, h = 0.2
A. y1 = 4.0000, y2 = 30.1600, y3 = 39.8368 B. y1 = 2.4000, y2 = 3.0160, y3 = 3.9837 C. y1 = 0.4000, y2 = 1.5080, y3 = 1.9918 D. y1 = 1.6000, y2 = 6.0320, y3 = 7.9674
Express the number in decimal notation.8.592 × 10-6
A. -8,592,000 B. 0.00008592 C. 0.0000008592 D. 0.000008592
Find the Taylor polynomial of order 3 generated by f at a.f(x) = x3, a = 3
A. 27 + 9(x - 9) + 9(x - 9)2 + (x - 9)3 B. 27 + 27(x - 9) + 9(x -9)2 + (x - 9)3 C. 108 + 27(x - 9) + 6(x - 9)2 + (x - 9)3 D. 6 + 3(x - 9) + (x - 9)2 + (x - 9)3
Solve the problem.A company that produces computer printers has costs given by the function 
, where x is the number of computer printers manufactured and C(x) is measured in dollars. The average cost to manufacture each computer printer is given by
Find
(Round to the nearest dollar, if necessary.)
A. $145 B. $43 C. $40 D. $175