The polar equation of the graph is either r = a + b cos ? or r = a + b sin ?, a > 0, b > 0. Match the graph to one of the equations. 
A. r = 4 + 3 sin ?
B. r = 4 + 3 cos ?
C. r = 3 + 4 cos ?
D. r = 3 + 4 sin ?
Answer: C
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A. x5(x + 1)(x + 6) B. x1(x2 + 7x + 6) C. x5(x - 1)(x + 6) D. x5(x + 1)(x - 6)
Solve and write interval notation for the solution set.|x - 3| > 0.8
A. (-?, ?) B. (-?, 2.2) ? (3.8, ?) C. (-?, 2.2] ? [3.8, ?) D. (2.2, 3.8)
Sketch the graph of the line by locating the second point with the rise-and-run method.Through (0, 2), m = - 
A. 
B. 
C. 
D. 
Solve the problem.A rock falls from a tower that is 208 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 13.9 sec B. 3.6 sec C. 14.4 sec D. 2704 sec