Simplify.
A. 
B. 
C. 
D. 6
Answer: D
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Refer to the double-bar graph below which shows the number of male (M) and female (F) athletes at a university over a four-year period. Solve the problem. 
YEARHow many more male athletes than female athletes were there in 1987?
A. 150 B. 0 C. 100 D. 50
Solve for the indicated variable.Solve r = 
for ?.
A. ? = 2Ar2
B. ? = 
C. ? = 
D. ? = 
Find the domain of the rational function.f(x) = 
.
A. all real numbers B. {x|x ? 3, x ? -3, x ? -5} C. {x|x ? -3, x ? 5} D. {x|x ? 3, x ? -5}
Solve the problem.The population of a particular country was 24 million in 1982; in 1992, it was 28 million. The exponential growth function 
describes the population of this country t years after 1982. Use the fact that 10 years after 1982 the population increased by 4 million to find k to three decimal places.
A. 0.025 B. 0.651 C. 0.139 D. 0.015