Find the amplitude, period, or phase shift as specified.Find the period of y = -3 cos 
.
A. ?
B. 3
C. 
D. 
Answer: C
Mathematics
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Identify any vertical asymptotes in the graph.
A. x = 2, x = -4 B. x = -2, x = 4 C. None D. x = 1, x = -1
Mathematics
Solve the problem.A drugstore sells two types, A and B, of humidifiers. Each humidifier of type A and type B costs $15 and $25, respectively. The store wants at least 9 humidifiers in stock and does not want its investment in the humidifiers to exceed $1500. Graph the possible inventory of the humidifiers and find the vertices. 
A. 
B. 
C. 
D. 
Mathematics
Multiply.(9.4)(100)
A. 0.094 B. 9400 C. 9.40000 D. 940
Mathematics
Simplify the expression. If the expression contains any variables, assume that they represent positive real numbers. Write your answer with only positive exponents.
-2
A. 
B. 
C. 
D. 
Mathematics