Solve.8y + 4(6 + y) = 3(y - 4) + 10y
A. y = -10
B. y = 36
C. y = 10
D. y = -36
Answer: B
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Given f(x) and g(x), find 
.f(x) = x2 - 3x - 28 and g(x) = x - 7
A. 
= x2 + 4
B. 
= x + 4
C. 
= x - 4
D. 
= x + 4 + 
Write a system of three inequalities that describe the constraints in the problem.An office manager is buying used filing cabinets. Small file cabinets cost $4 each and large file cabinets cost $11 each, and the manager cannot spend more than $57 on file cabinets. A small cabinet takes up 6 square feet of floor space and a large cabinet takes up 9 square feet, and the office has no more than 63 square feet of floor space available for file cabinets. The manager must buy at least 6 file cabinets in order to get free delivery. Let x = the number of small file cabinets bought and y = the number of large file cabinets bought.
A. 4x + 11y ? 57; 9x + 6y ? 63; x ? 6 B. 4x + 11y ? 57; 6x + 9y ? 63; x + y ? 6 C. 4x + 11y ? 57; 6x + 9y ? 63; x + y ? 6 D. 4x + 11y ? 57; 6x + 9y ? 63; y ? 6
Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter.
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Express the function as a trigonometric function of x.sin 3x
A. 3 sin x - 4 sin3x B. 4 sin x cos3x - 4 sin3x cos x C. cos3x - 3 sin2x cos x D. 1 - 8 sin2x cos2x