Find the slope of the polar curve at the indicated point.r = -4 - 5 cos ?, ? = 
A. 
B. 
C. - 
D. - 
Answer: A
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Find the focus and directrix of the parabola.y2 - 20x = 0
A. F: (5, 0); D: y = -5 B. F: (5, 0); D: x = -5 C. F: (0, 5); D: y = -5 D. F: (5, 0); D: x = 5
Use the table to find the future value. Round to the nearest cent.
$13,000 at 2% compounded annually for 3 years
A. $13,780.00 B. $13,525.20 C. $13,520.00 D. $13,795.73
Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. Two friends decide to meet in Chicago to attend a Cubs baseball game. Rob travels 
in the same time that Carl travels 
Rob's trip uses more interstate highways and he can average 
more than Carl. What is Rob's average speed?
A. 63 mph B. 52 mph C. 57 mph D. 51 mph
Find the specified domain.For f(x) = 2x - 5 and g(x) = 
, what is the domain of (f ? g)?
A. [0, ?) B. (-10, 10) C. [10, ?) D. [-10, ?)