Evaluate the given function.f(x) = x3, f(-1)
A. -1
B. 0
C. -x
D. 1
Answer: A
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Find a general term an for the arithmetic sequence.a7 = 59, a13 = 41
A. an = -3n + 77 B. an = 3n + 82 C. an = -2n + 80 D. an = -3n + 80
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.A = 9 m
A. 87 m B. 532 m C. 9.3 m D. 23.1 m
The table shows, for some particular year, a listing of several income levels and, for each level, the proportion of the population in the level and the probability that a person in that level bought a new car during the year. Given that one of the people who bought a new car during that year is randomly selected, find the probability that that person was in the indicated income category. Round your answer to the nearest hundredth. 
$50,000 and over
A. 0.28 B. 0.24 C. 0.22 D. 0.25
Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)
A. 0
B. 
C. -1
D. 1