Solve the problem.Some values of linear functions f and g are listed in the table below. Find the solution of a system of two equations that describes the functions f and g. HINT: Use the linear regression and graphing functions on a calculator to find and graph equations of f and g.
A. (3.2, 58.7)
B. (7.6, 44.8)
C. (6.8, 44.2)
D. (0.3, 73.7)
Answer: B
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MonthWhat was the total increase in sales from 2009 to 2010?
A. $12,000 B. $182,000 C. $1,342,000 D. $22,000
Simplify the radical. Assume that all variables represent nonnegative real numbers. 
A. 
9
7
B. c9d7
C. c
d
D. c9d14
Write the interval as an inequality involving x, and illustrate the inequality using the real number line.[-6, ?)
A. x > -6
B. x > -6
C. x ? -6
D. x ? -6
Solve the problem.Alan is building a garden shaped like a rectangle with a semicircle attached to one short side along its diameter. The diameter of the semicircle is equal to the width of the short side of the rectangle. If he has 80 feet of fencing to go around the garden, what dimensions will give him the maximum area in the garden?
A. width = 
? 22.4, length = 11.2
B. width = 
? 11.2, length = 22.4
C. width = 
? 22.4, length = 28.8
D. width = 
? 14.4, length = 21.5