Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 7 units to the right
A. y = 
B. y = 
- 7
C. y = 
D. y = 
+ 7
Answer: A
Mathematics
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Solve the problem.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 48 seconds are required to make a 
enlargement, find the time required for a 
enlargement.
A. 350 sec B. 210 sec C. 420 sec D. 280 sec
Mathematics
Simplify the expression. Write the answer using positive exponents.
A. 
B. 
C. z + e
D. (z + e)11
Mathematics
If the revenue R is specified as a function of time t, which variable is independent? ?
A. ?t B. ?R
Mathematics
Model the curve with a sine function.
?
?
?
Note that the period of the curve is 
and its range is 
and the graph of the sine function is shifted to the left 0.55 units.
?
A. 
B. 
C. 
D. 
E. 
Mathematics