Multiply. Write the answer in lowest terms. 
? 
A. 
B. 
C. 
D. - 
Answer: B
Mathematics
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Determine whether the sequence is geometric.1, 5, 15, 45, . . .
A. Geometric B. Not geometric
Mathematics
Graph the function over a one-period interval.y = 
cos 
+ 3
A. 
B. 
C. 
D. 
Mathematics
The graph of a trigonometric function of the form y = A sin (Bx) or y = A cos (Bx) for B > 0 is given. Determine the equation of the function represented by the graph.
A. y = 4 cos 2x
B. y = 2 cos 
x
C. y = 2 cos 4x
D. y = 4 cos 
x
Mathematics
Simplify the expression, if possible.log8 512
A. 512 B. 3 C. -8 D. -512
Mathematics