Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. - 
B. 
C. - 
D. 
Answer: B
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For the given graphical representation of vector v, estimate a1 and a2 so that 
and calculate 
.
A. a1 = 10, a2 = 0; 
= 10
B. a1 = 0, a2 = 10; 
= 3.2
C. a1 = 0, a2 = 10; 
= 10
D. a1 = 0, a2 = 10; 
= 100
Solve the problem.Cathy May deposits $25,000 at the end of each year for 12 years in an account paying 8% compounded annually. She then puts the total amount on deposit in another account paying 9% compounded semiannually for another 
. Find the final amount on deposit after the entire 
period. Round your answer to the nearest cent.
A. $1,422,669.30 B. $5,298,005.47 C. $878,614.82 D. $1,627,146.26
Alabama Instruments Company has set up a production line to manufacture a new calculator. The rate of production of these calculators after t weeks is 
calculators per week. Production approaches 5,700 per week as time goes on, but the initial production is lower because of the workers' unfamiliarity with the new techniques. Find the number of calculators produced from the beginning of the third week to the end of the fourth week.
Round the answer to the nearest integer.
Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = 
A. y = (-
+ 2)x + 
- 4
B. y = (-
- 2)x - 
+ 4
C. y = (
- 2)x + 
- 4
D. y = (
- 2)x - 
+ 4