Describe the graph of the polar equation.r2 + 2r2sin ? cos ? = 121
A. Two horizontal lines passing through (0, ±11)
B. Parabola opening to the right with vertex at (11, 0)
C. Parabola opening upward with vertex at (0, 11)
D. Two straight lines of slope -1, y-intercepts (0, ±11)
Answer: D
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Write the quotients with positive exponents.- 
A. - 
B. - 
C. - 
D. - 
Graph the linear function.F(x) = -2x + 8
A. 
B. 
C. 
D. 
Solve the problem.Find the volume V of a sphere of diameter 7 in. Use 3.14 for ?. If necessary, round the result to the nearest tenth.
A. V = 101 in3 B. V = 1436 in3 C. V = 51.3 in3 D. V = 179.5 in3
Provide an appropriate response.Describe the graph of the function f(x) = x + 1 if the domain is {1, 2, 3, 4}.
A. The graph is a line through the four points (1, 2), (2, 3), (3, 4), and (4, 5). B. The graph consists of the four points (1, 2), (2, 3), (3, 4), and (4, 5). C. The graph consists of the four points (0, 2), (1, 3), (2, 4), and (3, 5). D. The graph consists of the four points (1, 1), (2, 1), (3, 1), and (4, 1).