Solve the problem. Simplify the fraction, if possible.In a art class containing 58 students, there are 8 freshmen, 11 sophomores, 6 juniors, and the rest are seniors. What fraction of the class is seniors?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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For the given functions f and g, find the requested composite function.f(x) = 4x2 + 2x + 6, g(x) = 2x - 7;
Find (g ? f)(x).
A. 8x2 + 4x + 19 B. 8x2 + 4x + 5 C. 4x2 + 4x + 5 D. 4x2 + 2x - 1
Mathematics
Solve the problem.Assume that the profit P made when t units are sold, t > 0, is given by P(t) = t2 - 22t + 112. For what values of t will there be a profit (that is, P > 0)?
A. 0 < t < 8 or t > 14 B. t = 22 C. t = 8 or t = 14 D. 8 < t < 14
Mathematics
Find the distance between the given points.
A and F
A. - 
B. - 
C. 
D. 
Mathematics
Add or subtract by first simplifying each radical and then combining any like radicals. Assume that all variables represent positive numbers.
- 4
- 7
A. -11
B. -40
C. -11
D. -40
Mathematics