Determine the value or values that are excluded from the following expression.f(x) = 
A. - 
, 0
B. 
, 0
C. - 
D. 
Answer: D
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Solve the problem.The length of a rectangular storage room is 6 feet longer than its width. If the area of the room is 72 square feet, find its dimensions.
A. 6 feet by 12 feet B. 5 feet by 11 feet C. 5 feet by 13 feet D. 7 feet by 13 feet
For a certain epidemic the number N of new cases expected in a day depends on the number t of days since the outbreak began. The relationship is
.
?
What is the greatest number of new cases that occur on a day, and on what day does that happen? Round both answers to the nearest whole number.
A. A maximum of 41 new cases occurs on day 24. B. A maximum of 21 new cases occurs on day 38. C. A maximum of 24 new cases occurs on day 41. D. A maximum of 38 new cases occurs on day 21.
Factor the trinomial.14 + 5x - x2
A. (2 + x)(7 - x) B. (x - 2)(x + 7) C. (2 - x)(7 - x) D. (2 - x)(7 + x)
Find the probability of the compound event.An urn contains balls numbered 1 through 15. A ball is chosen, returned to the urn, and a second ball is chosen. What is the probability that the first and second balls will be a(n) 8?
A. 
B. 
C. 
D. 