Provide the proper response.If we decide to use the substitution u = x + e, then which of the following might be necessary?i)du = dxii)x = u - eiii) du = e dxiv) dx = e du
A. Both ii and iii
B. Both i and ii
C. Both i and iv
D. Only i
Answer: B
Mathematics
You might also like to view...
Find Dxy. y = x4ex
A. x3ex(4 + x) B. 4x3ex C. x3ex(1 + x) D. x3(4 + xex )
Mathematics
Solve the problem.Assume that a person's threshold weight W, defined as the weight above which the risk of death rises dramatically, is given by W(h) = 
3 , where W is in pounds and h is the person's height in inches. Find the threshold weight for a person who is 6 ft 7 in. tall. Round your answer to the nearest pound.
A. 265 lb B. 161.6 lb C. 221.5 lb D. 296.3 lb
Mathematics
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 16807? B. 117649? C. 33614? D. 235298?
Mathematics
Find the unknown length in the right triangle. Give an exact answer.
A. b = 
B. b = 2
C. b = 
D. b = 2
Mathematics