multiple-choice test offers five possible answers for every question, of which only one is the correct answer. A student guesses on six of the questions. What is the probability that she gets exactly three of the guessed questions correct?
What will be an ideal response?
0.08192
Mathematics
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Use the geometric series f(x) = 
= 
, for 
< 1, to find the power series representation for the given function (centered at 0). f(3x) = 
A. 
B. 
C. 
D. 
Mathematics
Find the length of the polar curve.
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Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 
A. Not one-to-one
B. f-1(x) = (x + 1)2
C. f-1(x) = 
D. f-1(x) = x2 - 1, x ? 0
Mathematics
Match the function f with its graph.f(x) = log4(x + 2)
A. 
B. 
C. 
D. 
Mathematics