Factor the expression completely, if possible.1 + 125y3
A. (1 + 5y)(1 - 5y + 25y2)
B. (1 - 5y)(1 + 5y + 25y2)
C. (1 + 5y)(1 + 25y2)
D. Does not factor
Answer: A
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Solve the problem.Each year, 492 people move from Babbittown. How many people have moved from the town in 5 years?
A. 2360 people B. 2470 people C. 2952 people D. 2460 people
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = + 6
A. f(x) = , g(x) =
+ 6
B. f(x) = , g(x) = 6
C. f(x) = x + 6, g(x) =
D. f(x) = x, g(x) = + 6
Solve the problem.During July in Jacksonville, Florida, it is not uncommon to have afternoon thunderstorms. On average, 9.2 days have afternoon thunderstorms. What is the probability that a randomly selected day in July will not have a thunderstorm? Round to two decimal places, if necessary.
A. 0.3 B. 0.69 C. 0.7 D. 0.91
Use a tree diagram to solve the problem. A restaurant serves salads that come with one type of lettuce, a topping, and a dressing. Customers may choose from 2 types of lettuce, 7 different toppings, and 4 different dressings. Draw a tree diagram to determine the number of possible different salads that could be offered.
A. 13 possible salads B. 28 possible salads C. 56 possible salads D. 36 possible salads