6 Select the correct answer. Which of the following is the area of the surface obtained by rotating the curve x = /y -4,4sys5 , about the y-axis? OA. 1.17A OB. 1.70 A OC. 2.66 AT OD. 2.78 ASelect the correct answer. 3 A student wants to nd the area ofthe surface obtained by rotating the curve 3; = \"llJ] 5 XS 1 , about the Xaxis. which of the following gives the correct area? 0 A. 1.303;? sq. units 0 B. 0.9?111 sq. units 0 C. 05713::- sq. units 0 D. UEUSr sq. units Select the correct answer. which of the following integrals gives the area of the surface obtained by rotating the curve 3: : y2_ CI 5 y 5 2 , about the yaxis? 9 Select the correct answer. The dye dilution method is used to estimate cardiac output using 15 mg of dye. The dye concentration is modeled by the function (0 = 645 - q). The dye concentration is expressed in my/L and tis measured in seconds. Estimate the cardiac output for the time interval [0, 3]. O A. 0.436 L/sec. O B. 0.185 L/sec. O C. 0.134 L/sec. O D. 0.252 L/sec.10 Select the correct answer. Consider an aquarium of width 2 ft. length 4 ft, and height 2 ft. Find the force on the longer side of the aquarium? O A. 1000 lb OB. 1125 lb OC. 335 lb O D. 500 lb