Solve the problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 120 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 150 seconds to finish the race.
A. 5 ft/sec
B. 3 ft/sec
C. 6 ft/sec
D. 4 ft/sec
Answer: D
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Give the genus of the object.A strainer
A. Genus 0 B. Genus 1 C. Genus 2 D. Genus 3 or more
Find the Taylor series generated by f at x = a.f(x) = x4 + 3x2 - 9x + 6, a = 3
A. (x - 3)4 - 12(x - 3)3 + 57(x - 3)2 + 135(x - 3) - 21 B. (x - 3)4 + 12(x - 3)3 + 57(x - 3)2 + 135(x - 3) - 21 C. (x - 3)4 + 12(x - 3)3 + 57(x - 3)2 + 117(x - 3) + 87 D. (x - 3)4 - 12(x - 3)3 + 57(x - 3)2 + 117(x - 3) + 87
Use a proportion to solve the problem.The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 166 yards with a 7-iron, how far should he average with a 5-iron?
A. 138 yd B. 177 yd C. 199.2 yd D. 155 yd
Find the sum Sn of the first n terms of the geometric sequence. 
, 
, 
, . . . ; n = 5
A. 
B. 
C. 
D. 341