Solve the problem.Yearly sales at a certain department store follow the model 
where y is the total sales in thousands of dollars and x is the number of years after 1992. In what year will the sales first be less than 
A. 1994
B. 1995
C. 1991
D. 1990
Answer: A
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Rewrite the expression in terms of the given function or functions.csc x + tan2 x csc x; cos x and sin x
A. 
B. 
C. cos x - sin x
D. 
Consider the spheres shown in the figure.The sphere at the left shows two lines. In Euclidean geometry, we know that two lines are either parallel or cross at exactly one point. Discuss this property in relation to what you observe in the figure.
What will be an ideal response?
Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = 5(x + 3)(x - 5)3
A. 3, multiplicity 1, crosses x-axis; -5, multiplicity 3, crosses x-axis B. -3, multiplicity 1, crosses x-axis; 5, multiplicity 3, touches x-axis and turns around C. 3, multiplicity 1, touches x-axis; -5, multiplicity 3, touches x-axis and turns around D. -3, multiplicity 1, crosses x-axis; 5, multiplicity 3, crosses x-axis
Find the inverse of the matrix (if it exists).
?
?
A. ?
B. ?
C. ?
D. ?
E. ?