Find the nth term {an} of the geometric sequence. When given, r is the common ratio.3, - 
, 
, - 
, 
, ...
A. an = 3 ? 
n-1
B. an = 3 ? 
n + 1
C. an = 3 ? 
n
D. an = 3 ? 
n-1
Answer: D
You might also like to view...
True or false?In Fremont in 1990, the mayor's approval rating was 80%. In 1998, his approval rating was only 
True or false? in absolute terms his approval rating decreased by 20 percentage points whereas in relative terms, it decreased by 
A. True B. False
Provide an appropriate response.Students in a class have the following scores: 45, 56, 76, 53, 90, 87, 69, 85, 42, 57, 80, 93, 83, 25. How many students scored 75 or above?
Fill in the blank(s) with the appropriate word(s).
Find the eccentricity of the hyperbola.64x2 - 49y2 = 3136
A. 
B. 
C. 
D. 
Use the Pythagorean theorem to find the length of the unknown side of the right triangle. Give an exact answer.
A. 16 B. 20 C. 19 D. 14