Simplify the expression.2.1(3.2 - 4.7)
A. -2.02
B. -3.15
C. 2.02
D. 3.15
Answer: B
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Solve the problem.Suppose that the function y = f(x) is increasing on the interval (4, 9). Over what interval is the graph of 
increasing?
A. (24 , 54) B. (4, 9) C. (10, 15) D. (-2, 3)
Solve the problem.The concentration C of a certain drug in a patient's bloodstream is given by 
.a) Find the horizontal asymptote of C(t).b) Using a graphing utility, determine the time at which the concentration is highest.
Fill in the blank(s) with the appropriate word(s).
Determine if the statement is true or false.9.04 > 9.4
A. True B. False
The initial tableau of a linear programming problem is given. Use the simplex method to solve the problem. 
A. Maximum at 12 for x1 = 1, s1 = 3, s2 = 1 B. Maximum at 48 for x1 = 3, s1 = 1, s3 = 1 C. Maximum at 24 for x1 = 1, s1 = 1, s2 = 3 D. Maximum at 4 for x1 = 4, s2 = 1