Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Graph the pair of polar equations on a calculator, together on the same screen, and use the trace feature to estimate the polar coordinates of all points of intersection of the curves. Round to the nearest hundredth, if necessary.r = 7, r = 4 + 3 sin ?
A. (1.57, 7) B. (7, 1.57), (7, 4.712) C. (7, 3.14) D. (7, 1.57)
Mathematics
Find the slope of the line.A line parallel to -4x = -7y - 11
A. - 
B. 
C. 
D. 
Mathematics
Solve for the indicated variable.S = 
, for m
A. m = 
B. m = 
C. m = 
D. m = 
Mathematics
Give the domain of the function.f(x) = 
A. (-?, -4] ? [9, ?) B. (-?, -4] ? (9, ?) C. (-?, -4) ? (9, ?) D. (-4, 9)
Mathematics