Use inequality notation to describe the set. s is at least –4 but less than 23
A) 23 £ s < –4
B) 23 < s £ –4
C) –4 £ s < 23
D) –4 £ s £ 23
E) –4 < s < 23
C) –4 £ s < 23
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Answer the question appropriately.Where does the periodic function f(x) = 5esin(x/2) take on its extreme values?
A. x = ±k?/5 where k is an even integer B. x is an odd integer C. x = ±k? where k is an even integer D. x = ±k? where k is an odd integer
Solve the problem.A data set consists of 571 lightbulbs. Over a long period of time, the lifetimes of those lightbulbs have been tested. It has been found that the mean and standard deviation are known and the lifetimes of the bulbs are normally distributed. What number of bulbs within this data set will have lifetimes that lie within 2 standard deviations to either side of the mean? Round your answer to the nearest whole number.
A. 480 B. 272 C. 285 D. 545
Find the length of the curve.The spiral r = e4?, 0 ? ? ? ?
A. e8? - 
B. 
(?2 - 1)
C. 
(e4? - 1)
D. 
(e8? - 1)
Find a polynomial function f(x) of least possible degree having the graph shown.
A. f(x) = 4(x + 1)2(x - 1)2 B. f(x) = 4(x + 1)(x - 1) C. f(x) = -4(x + 1)2(x - 1)2 D. f(x) = -4(x + 1)(x - 1)