Write the expression as a single radical. Then simplify your answer.
A. 
B. 
C. 
D. 
E. 
Answer: B
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Find the area of the region specified in polar coordinates.one petal of the rose curve r = 6 sin 2?
A. 6?
B. 
?
C. 18?
D. 9?
Solve the problem.A rectangular swimming pool is being constructed, 18 feet long and 100 feet wide. The depth of the pool is measured at 3-foot intervals across the length of the pool. Estimate the volume of water in the pool using the Trapezoidal Rule.
A. 7700 ft3 B. 10,200 ft3 C. 5800 ft3 D. 8700 ft3
Solve the problem.Use regression to find constants a, b, c, and d so that f(x) = a sin (bx + c) + d models the data given below. Round all answers to 9 decimal places.
A. 5.277184939; 0.062976370; -2.042562480; 6.904195597 B. 4.708150061; 1.025102863; -2.474285177; 7.076487153 C. 5.099259265; 0.531578044; -1.738394218; 8.659926499 D. 5.099259265; 0.531578044; -1.738394218; 6.659926499
Marcus Corporation currently sells 150,000 units per year at a price of $4.00 a unit. Its variable costs are 30 percent of sales, and its fixed operating costs are $300,000. What is Marcus's degree of operating leverage (DOL) at sales equal to 150,000 units?
A. 1.4× B. 2.2× C. 3.5× D. 2.0× E. 5.0×