Graph the function.y = -cot x
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine the row operation that was used on the first matrix to obtain the second matrix.
, 
What will be an ideal response?
Mathematics
Solve the problem.A moving firm charges a flat fee of $30 plus $25 per hour. Find the cost C(x) of using the moving firm for x hours.
A. C(x) = 25x - 30 B. C(x) = 30x - 25 C. C(x) = 25x + 30 D. C(x) = 30x + 25
Mathematics
Solve.If y varies inversely as x, and y = 3 when x = 45, find y when x = 5.
A. 27
B. 3
C. 75
D. 
Mathematics
Simplify the expression.
w + 
w
A. 
w
B. 
w2
C. 
w2
D. 
w
Mathematics