Find a general term an for the geometric sequence.a2 = - 1, a9 =  

A. an = 2  n-1
B. an =   n-1
C. an = 6  n-1
D. an = 2  n-1

Answer: D

Mathematics

You might also like to view...

Find the indicated limit or state that it does not exist. 

A. 10 B. 0 C. 5 D. No limit

View
Mathematics

Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.3x - 10y - 10z = -3 and- 6x + 7y - 10z = 8

A. 1.510 rad B. 1.325 rad C. 1.485 rad D. 0.061 rad

View
Mathematics

Provide an appropriate response.Simplify:  

Fill in the blank(s) with the appropriate word(s).

View
Mathematics

Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) =  between x = 1 and x = 7 using a lower sum with two rectangles of equal width.

A. 1.179 B. 0.373 C. 4.125 D. 0.124

View
Mathematics