Tell whether or not the relation is a function.{(-4,7), (-3,-7), (4,8), (7,-7)}
A. Yes
B. No
Answer: A
Mathematics
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Find the length of the curve.The circle r = 9 sin ?
A. 
?
B. 18?
C. 81?
D. 9?
Mathematics
Solve the problem.A rock falls from a tower that is 288 feet high. As it is falling, its height is given by the formula 
How many seconds (in tenths) will it take for the rock to hit the ground (h = 0)?
A. 17 sec B. 4.2 sec C. 5184 sec D. 16.5 sec
Mathematics
Graph the function.y = 2 csc (3x)
A. 
B. 
C. 
D. 
Mathematics
Solve for y.3 = 4x - 9y
A. y = 
B. y = 12 - 4x
C. y = 12 + 4x
D. y = 
Mathematics