Solve the proportion.
= 
A. 
B. 42
C. 
D. 
Answer: D
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Determine if the ordered pair is a solution to the given inequality.x + 2y > 6; (3, 2)
A. Yes B. No
Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 9y = 16 27x + 12y = 16
A. parallel B. perpendicular C. neither
Provide an appropriate response.Find the minimum value of g(x) = 3x2 - 3x + 4.
A. 0
B. 
C. 
D. - 
E. 4
Solve the problem.Economists use what is called a Leffer curve to predict the government revenue for tax rates from 0% to 100%. Economists agree that the end points of the curve generate 0 revenue, but disagree on the tax rate that produces the maximum revenue. Suppose an economist produces this rational function 
where R is revenue in millions at a tax rate of x percent. Use a graphing calculator to graph the function. What tax rate produces the maximum revenue? What is the maximum revenue?
A. 37.5%; $210 million B. 39.6%; $209 million C. 34.9%; $207 million D. 35.8%; $209 million