Graph the function.f(x) = x(x2 - 9)(x + 1)3
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify by removing grouping symbols and combining like terms.-3x - 3(x + 4y)
A. -6x - 12y B. -4x - 12y C. -6x + 12y D. -6x + 4y
Mathematics
Verify the integration formula.
x tanh-1 x + 
ln (1 - x2)+ C
A. No B. Yes
Mathematics
Simplify the rational expression.
A. - 
B. 
C. 
D. 
Mathematics
Solve the problem.The student population of a small school has been increasing as shown in the following table. 
Take 1910 as year zero, and determine the linear or quadratic function that best fits the data.
A. f(x) = 0.16x2 - 17.5x + 106 B. f(x) = 0.1x2 - 10x + 440 C. f(x) = 0.27x2 - 29.1x - 410 D. f(x) = 5x - 93.2
Mathematics