Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 3
D. 
; 3
Answer: A
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Determine whether the growth (or decay) is linear or exponential, and answer the associated question.The price of computer memory is decreasing at a rate of 10% per year. If a memory chip costs $79 today, what will it cost in two years?
A. Linear; $94.80 B. Exponential; $71.30 C. Linear; $63.20 D. Exponential; $63.99
Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter.
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Solve the exponential equation and approximate the result, correct to three decimal places.ex + e-x = 5
A. 1.6472, -1.6472 B. 1.1613, -1.9723 C. 1.5668, -1.5668 D. 1.5552, -1.3321
Make a conjecture about the result of factoring a common factor from each element of a column in a determinant. Use your conjecture to help evaluate the determinant.
A. 88 B. 72 C. 84 D. 76 E. 80