Solve.A gardener is paid $17.50 per hour for the first 40 hours of work in a week, and time and a half, or $26.25 per hour for any overtime exceeding 40 hours per week. Last week she worked 49 hours. How much did she earn?
A. $1093.75
B. $936.25
C. $857.50
D. $938.50
Answer: B
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Provide an appropriate response.Find the standard deviation for the following data set:2, 2, 2, 5, 5, 6, 6, 8, 8, 9
A. 6.21 B. 2 C. 2.49 D. 5
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. 28.8%; $272 million B. 27.0%; $379 million C. 30.9%; $382 million D. 38.4%; $383 million
Find the asymptotes of the hyperbola.4x2 - y2 = 4
A. y = ± 
x
B. y = ± 2x
C. y = ± 4x
D. y = ± 
x
Establish the identity.sin(4x) = (4 sin x cos x)(2 cos2 x - 1)
What will be an ideal response?