State the domain of the rational function.f(x) = 
A. (-?, 8) ? (8, ?)
B. (-?, -8) ? (-8, 0) ? (0, ?)
C. (-?, -8) ? (-8, ?)
D. (-?, 9) ? (9, ?)
Answer: B
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Solve the problem.Two boats leave a dock together, each traveling in a straight line. One boat travels at 
and the other at 
If the angle between their courses measures 
how far apart are they after 
Round your answer to the nearest tenth of a mile.
A. 17.6 mi B. 15.6 mi C. 6.1 mi D. 10.3 mi
Provide an appropriate response.Write the base-four numeral for the base-four blocks shown.
A. 3120four B. 213four C. 2013four D. 312four
Find the sum of the infinite geometric series, if possible. If it is not possible, explain why. If necessary, round to three decimal places.9 + 3 + 1 + . . .
A. 13.5
B. 14.5
C. 13
D. The sum does not exist because 
? 1.
Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15