Solve the problem.Suppose that the function y = f(x) is increasing on the interval (8, 9). Over what interval is the graph of 
increasing?
A. (56, 63)
B. (15, 16)
C. (8, 9)
D. (1, 2)
Answer: D
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Solve the problem.The numbers below represent the amount of precipitation, in inches, on January 1st in eleven different U.S. cities. Find the mean precipitation. Round your answer to the nearest ten-thousandth of an inch.
A. 0.1248 in. B. 0.1040 in. C. 0.1135 in. D. 0.108 in.
Provide an appropriate response.To purchase land for an industrial site, a company agrees to pay $20,000 down and $10,000 at the end of every six-month period for 10 years. If the interest rate is 10% compounded semiannually, what is the corresponding cash value of the land?
Fill in the blank(s) with the appropriate word(s).
Find an equation of variation for the given situation.y varies jointly as x and the square of z, and y = 450 when x = 9 and z = 5
A. y = 10xz
B. y = 2xz2
C. y = 3xz2
D. y = 
An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.Objective Functionz = 7x + 3yConstraintsx ? 0 0 ? y ? 5 x - y ? 6 x + 2y ? 12
A. maximum: 62; at (8, 2) B. maximum: 42; at (6, 0) C. maximum: 15; at (0, 5) D. maximum: 29; at (2, 5)