Assume that x, y, and c are positive numbers. Use the properties of logarithms to write the expression in terms of the logarithms of x and y.

a.

b.

c.

d.

e.


b.

Mathematics

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Find all the first order partial derivatives for the following function.f(x, y) = tan-1 (9x - 9y)

A. fx(x, y) = ; fy(x, y) = 
B. fx(x, y) = ; fy(x, y) = 
C. fx(x, y) = ; fy(x, y) = 
D. fx(x, y) = ; fy(x, y) = 

Mathematics

Using the Law of Sines, find angles A and C if angle B = 63ø, side b = 9 and side c = 4.

What will be an ideal response?

Mathematics

Evaluate using substitution.

Mathematics

Use the compound interest formula to determine the future value of the given principal P.$12,000 at 5% compounded quarterly for 7 years

A. $16,991.91 B. $16,782.13 C. $4991.91 D. $16,885.21

Mathematics