Match the graph to one of the listed functions. 
A. f(x) = x2 - 12x
B. f(x) = -x2 - 12
C. f(x) = x2 - 12
D. f(x) = -x2 - 12x
Answer: B
Mathematics
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Evaluate the expression.
A. 60,480 B. 30,240 C. 504 D. 12
Mathematics
Solve the problem.The population p, in thousands, of one town can be approximated by 
where d is the number of years since 1985. Estimate the population of the town in the year 1990.
A. About 7 B. About 11,000 C. About 7000 D. About 15,000
Mathematics
Find functions f and g so that F(x) = (f ? g) (x).F(x) = 
A. f(x) = 
, g(x) = 8x - 6
B. f(x) = x, g(x) = 8x + 6
C. f(x) = 
, g(x) = 8x + 6
D. f(x) = -
, g(x) = 8x + 6
Mathematics
Solve the system using Gaussian elimination. 8x + 3y - z = 60 x - 9y - 6z = -111-8x + y + z = -32
A. {(6, 9, 7)} B. {(-6, 7, 12)} C. ? D. {(6, 7, 9)}
Mathematics