For what values of x does the series converge absolutely?
A. x = 0
B. 0 ? x < ?
C. -1 < x < 1
D. -1 ? x ? 1
Answer: D
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Find only the rational zeros.f(x) = x4 + 25
A. 5, -5, 
, -
B. 0
C. 
, - 
D. No rational zeros
The publisher decided to publish a new book. He is going to sell one copy for $10. Assume that the cost of publishing is $60,000 for 1,000 copies and $250,000 for 5,000 copies. The probability of selling 1,000 copies is 0.9 and of selling 5,000 copies is 0.1. Find the publisher’s expected profit.
a. –65,000 b. 14,000 c. 1,400 d. –250,000
The general term of a sequence is given. Find the indicated partial sum.an = 5n - 2; S5
A. 55 B. 65 C. 100 D. 85
Solve the triangle.? = 10°,
? = 30°,
b = 4
A. ? = 140°, c = 14.81, a = 10.52 B. ? = 140°, c = 11.52, a = 14.81 C. ? = 140°, c = 14.81, a = 11.52 D. ? = 140°, c = 12.52, a = 14.81