Multiply.(x - 11)(x2 + 5x - 2)
A. x3 - 6x2 - 53x - 22
B. x3 - 6x2 - 57x + 22
C. x3 + 16x2 + 53x - 22
D. x3 + 16x2 + 57x + 22
Answer: B
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Find the inverse of the function.f(x) = -
A. f-1(x) = 3 - x2, x ? 0 B. f-1(x) = (3 - x)2, x ? 0 C. f-1(x) = 3 - x2, x ? 0 D. f-1(x) = (3 - x)2, x ? 0
Solve the problem.The rates of death (in number of deaths per 100,000 population) for 20-24 year olds in the United States between 1985-1993 are given below. (Source: NCHS Data Warehouse) 
A logarithmic equation that models this data is y = 57.76 + 48.56 ln x where x represents the number of years since 1980 and y represents the rate of death in that year. Use this equation to predict the year in which the rate of death for 20-24 year olds first exceeds 200.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.In a microbiology class of 37 students, 13 students are graduate students. What fraction of the students are graduate students?
A. 
B. 
C. 
D. 
Given the values of x and y, find an equation of variation in which y varies directly as x.y = 230, when x = 90
A. x = 140y B. x = 2.56y C. y = 2.56x D. y = 0.39x