Without graphing the function, determine its amplitude or period as requested.y = -3 sin 
xFind the amplitude.
A. 
B. 4?
C. 
D. 3
Answer: D
Mathematics
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Combine like terms, if possible.6n3 - 8n3
A. 2n3 B. -2n6 C. 2n6 D. -2n3
Mathematics
Simplify the expression. If any variables exist, assume that they are positive.
+ 
A. 5
B. 6.5
C. 
D. 13
Mathematics
Sketch the graph using a graphing utility.3x2 - 4xy + 3y2 - 2x + 5y = 10
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 26 pounds of feed worth $0.56 per pound by mixing one kind worth $0.30 per pound with another worth $0.91 per pound. How many pounds of the cheaper kind should they use in the mix? Round your answer to the nearest pound, if necessary.
A. 17 pounds B. 15 pounds C. 16 pounds D. 11 pounds
Mathematics