Match the graph to one of the polar equations. 
A. r = -2 cos ?
B. r sin ? = -1
C. r = -2 sin ?
D. r = -1
Answer: C
Mathematics
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Insert <, >, or = between the given expressions to obtain a true statement.tan 57° tan 155°
A. < B. = C. >
Mathematics
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total cost function is given by 
, where x represents the number of boxes of computer chips produced. The total profit function, P(x), is such that 
. Find P(x).
A. P(x) = 0.3x2 + 42x - 20 B. P(x) = 0.3x2 + 34x - 30 C. P(x) = -0.3x2 + 34x + 10 D. P(x) = -0.3x2 + 42x - 10
Mathematics
Provide an appropriate response.
is the formula to find time.
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality.?x? > 6
A. (-6, ?) B. (-6, 6) C. (6, ?) D. (-?, -6) ? (6, ?)
Mathematics