Subtract.9 - 7
A. 16
B. 1
C. 3
D. 2
Answer: D
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Everything else equal, a firm can reduce its operating breakeven point by:
A. increasing its fixed costs. B. decreasing the selling price of its product. C. increasing its product's contribution margin. D. increasing its variable cost per unit. E. decreasing its earnings per share.
Solve the problem involving modeling with polynomial functions.For this problem, y-values correspond to the amount spent by Country X on imports (in millions of dollars) over the years 1986 (x = 0), through 1993 (x = 7). (a) Use the data given in the table below to determine a quartic (fourth-degree) polynomial model. 
(b) Based on the quartic model, how much was spent on imports in 1987?
A. (a) y ? 0.0475x4 - 0.727500x3 + 3.394
x2 - 4.12
x + 1.69;
(b) $3.65 million
B. (a) y ? 0.0475x4 - 0.727500x3 + 3.394
x2 - 4.12
x + 1.69;
(b) $0.28 million
C. (a) y ? 0.0475x4 - 0.727500x3 + 3.394
x2 - 4.12
x + 1.69;
(b) $3.55 million
D. (a) y ? 0.0475x4 - 0.727500x3 + 3.394
x2 - 4.12
x + 1.69;
(b) $1.95 million
Solve.In a large city, 0.823 of the budget went toward city workers' salaries. Write this decimal as a percent.
A. 82.3% B. 0.0823% C. 0.823% D. 823%
Evaluate the following expression. ? (sin2x - sin4x) cos x ?
A. cos4x sin2x B. cos2x sin2x C. cos2x sin6x D. cos3x sin2x E. cos x sin x