Find the period of the function.y = sin 5x
A. 2?
B. 
C. 1
D. 5
Answer: B
Mathematics
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Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 17 ft wide and the canal is 13 ft deep at the center, how deep is it 7 ft from the edge?
A. 12.6 ft B. 4.5 ft C. 8.5 ft D. 6.1 ft
Mathematics
Find (f ?g)(x) for the given functions f(x) and g(x).f(x) = 3x + 7 and g(x) = 3x - 7
A. 9x + 14 B. 6x C. 14 D. 9x - 14
Mathematics
Solve the equation.20s3 - 36s2 + 30s = 14s
A. 
B. 
C. {0}
D. 
Mathematics
Solve the problem.Find the sale price when the original price is $67.00 and the discount rate is 34%.
A. $2.28 B. $22.78 C. $44.22 D. $64.72
Mathematics