Find the mode or modes.20, 29, 46, 29, 49, 29, 49
A. 49
B. 35.9
C. 46
D. 29
Answer: D
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Solve the problem.A power plant is located on a river that is 700 feet wide. To lay a new cable from the plant to a location in a city 1 mile downstream on the opposite side costs $175 per foot across the river and $150 per foot along the land. Suppose that the cable goes from the plant to a point Q on the opposite side that is x feet from the point P directly opposite the plant. Write a function C(x) that gives the cost of laying the cable in terms of the 
A. C(x) = 150
+ 175(5280 - x)
B. C(x) = 175(700 - x) + 150(1 - x)
C. C(x) = 175
+ 150(5280 - x)
D. C(x) = 175
+ 150(1 - x)
Add the polynomials.(5x) + (5 - 5.5x)
A. -1.5x + 5 B. -0.5x - 5 C. 0.5x + 5 D. -0.5x + 5
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. log19
A. 
log1910 - 2 log19n - 2 log19m
B. 3 log1910 - 2 log19n - log193
C. 
log1910 - 2 log19n - log19m
D. log1910 - log19n - log19m
Convert the polar equation to rectangular form. Identify the curve.r = cos ?
A. (x + y)2 = y; a circle centered at 
with radius 
B. x2 + y2 = y; a circle centered at 
with radius 
C. (x + y)2 = x; a circle centered at 
with radius 
D. x2 + y2 = x; a circle centered at 
with radius 