The following table shows the length L, in inches, and the flying speed S, in feet per second, of certain flying animals.
L 0.51 3.46 4.82 47.13 62.78 S 21.87 36.38 39.86 61.72 74.86Use power regression to answer the following question. If the length is halved, how is the flying speed affected? Round your answer to two decimal places.
?
A. It is multiplied by 0.49.
B. It is multiplied by 2.01.
C. It is multiplied by 0.50.
D. It is multiplied by 0.85.
Answer: D
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at t = 
? for the function w(x, y, z) = 
; x = sin t, y = cost, z = t2.
A. 2
B. - 2
C. - 
D. - 2
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, src="https://sciemce.com/media/4/ppg__tttt0506191043__f1q105g5.jpg" alt="" style="vertical-align: -18.0px;" />
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.f
A. - 
B. - 
C. 
D. 
Write the quotient in the standard form.
A. -i B. i C. 1 D. -1
?You are in a boat 2 miles from the nearest point on the coast. You are to go to point Q located 3 miles down the coast and 1 mile inland (see figure). You can row at a rate of 1 miles per hour and you can walk at a rate of 2 miles per hour. Toward what point on the coast should you row in order to reach point Q in the least time?
?
?
A. ?3 miles B. ?8 miles C. ?2 miles D. ?1 mile E. ?5 miles