Evaluate the expression.Let x = 9, y = 8. Evaluate .

A. -110
B. 110
C. -2
D. 2


Answer: D

Mathematics

You might also like to view...

By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that  for  otherwise indicate divergence.an = 

A. L = ln 2, N = 6 B. L = 0, N = 7 C. L = ln 4, N = 8 D. diverges

Mathematics

Find the sum of the first n terms of the geometric sequence for the values of a1 and r.n = 6, a1 = -8, r = -4

A. 6552
B.
C. - 
D. - 10,920

Mathematics

Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(-6 + 2i)2

A. 32 - 24i B. 40 + 24i C. 32 + 24i D. 40 - 24i

Mathematics

Find a parametric equation of the indicated ellipse.Foci: (4,1) and(4,-5); length of major axis: 10

A. x = 4 cos t - 4, y = 5 sin t + 2 B. x = 5 cos t + 4, y = 4 sin t - 2 C. x = 5 cos t - 4, y = 4 sin t + 2 D. x = 4 cos t + 4, y = 5 sin t - 2

Mathematics