Find an equation for the graph.
A. y = 3 sin 
B. y = 3 sin (4x)
C. y = 4 sin (3x)
D. y = 4 sin 
Answer: C
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Solve the problem.If p > 1 and q > 1, what can be said about the convergence of 
?
A. Always converges B. May converge or diverge C. Always diverges
Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.The manager of a coffee shop has one type of coffee that sells for $9 per pound and another type that sells for $15 per pound. The manager wishes to mix 80 pounds of the $15 coffee to get a mixture that will sell for $11 per pound. How many pounds of the $9 coffee should be used?
A. 240 pounds B. 160 pounds C. 120 pounds D. 80 pounds
Graph the system of inequalities.5x + 10y ? 102x + y ? 6
A. 
B. 
C. 
D. 
Solve the problem.Find the centroid of the infinite region in the first quadrant bounded by the coordinate axes and the curve 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 