Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = 4t

A. 4t
B.
C.
D.  


Answer: D

Mathematics

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Find the potential function f for the field F.F = (ey2 - sin x)i + 2xyey2j + k

A. f(x, y, z) = cos x + xzey2 + C B. f(x, y, z) = cos x + xey2 + z + C C. f(x, y, z) = cos x + ey2 + z + C D. f(x, y, z) = cos x + ey2(x + z) + C

Mathematics

Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Find the latitude of Winnipeg, Canada if Winnipeg and Austin, TX, , are  apart.

A. 60°N B. 50°N C. 20°N D. 70°N

Mathematics

Use partial fractions to find the sum of the series.

A.
B.
C. 1
D. 3

Mathematics

Write decimal notation.- 

A. -0.60988 B. -0.060988 C. -6.0988 D. -60.988

Mathematics