Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
, -1 < t ? 1
A. 0.20
B. 
C. 
D. 
Answer: D
Mathematics
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Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)
A. t-5
B. 
C. t3
D. 
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."xy2 + 6y2 - 9x - 54
A. (x - 6)(y + 3)(y - 3) B. (x + 6)(y + 3)(y - 3) C. (x + 6)(y - 3)2 D. (x + 6)(y2 - 9)
Mathematics
Find the probability of the event.A bag contains 23 balls numbered 1 through 23. A ball is randomly selected from the bag. What is the probability that it is numbered 24?
A. 23
B. 
C. 1
D. 0
Mathematics
Graph the function and y = cos x in the same rectangular system for 0 ? x ? 2?.y = 3 cos x
A. 
B. 
C. 
D. 
Mathematics