Describe the graph of the polar equation.r = 3cot ? csc ?
A. Parabola with vertex at origin opening to the right
B. Line with slope 3 passing through origin
C. Parabola with vertex at origin opening upward
D. Circle with radius 3 centered at the origin
Answer: A
Mathematics
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Evaluate the expression, if possible.274/3
A. 81 B. 729 C. 2187 D. 243
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Graph the function and give its domain and its range.f(x) = 
- 1
A. [1, ?); [0, ?)
B. [0, ?); [1, ?)
C. [-1, ?); [0, ?)
D. [0, ?); [-1, ?)
Mathematics
Insert parentheses in order to make the statement true.2 ? 7 - 2 = 10
A. (2)(7)(-2) = 10 B. 2 ? (7 - 2) = 10 C. 2 ? 7 (-2) = 10 D. (2 ? 7) - 2 = 10
Mathematics
Factor the sum or difference of two cubes.1000y3 - 1
A. (1000y - 1)(y2 + 10y + 1) B. (10y + 1)(100y2 - 10y + 1) C. (10y - 1)(100y2 + 10y + 1) D. (10y - 1)(100y2 + 1)
Mathematics