Determine if the series 
defined by the formula converges or diverges.a1 = 6, an+1 = 
an
A. Diverges
B. Converges
Answer: B
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Find a general term an for the geometric sequence.a4 = - 
, a9 = 
A. an = 4 
n-1
B. an = 6 
n-1
C. an = 
n-1
D. an = 4 
n-1
Solve. Assume the exercise describes a linear relationship.When making a telephone call using a calling card, a call lasting 3 minutes costs $1.20. A call lasting 13 minutes costs $3.70. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that models the cost of making a call lasting x minutes.
A. y = 4x - 
B. y = 0.25x - 9.3
C. y = -0.25x + 1.95
D. y = 0.25x + 0.45
Solve the problem.Mr. and Mrs. Jones have a personal loan of $13,600. They have paid off 
of the loan. How much of the loan have they paid off?
A. $1700 B. $7200 C. $6400 D. $6800
Perform the indicated operations. Assume that all variables represent nonnegative real numbers.3
- 2x 
A. 2x 
B. x
C. 3 
- 2x 
D. Cannot simplify