Solve the problem.
The graph of y = f(x) gives the speed limit y along a rural highway after traveling x miles. (i) Evaluate f(12), f(33), and f(36). (ii) At what x-values is the graph discontinuous?
A. 60, 60, 75; f(6), f(12), f(18), f(36), and f(42)
B. 75, 67.5, 75; f(12), f(18), f(30), f(36), and f(42)
C. 67.5, 75, 90; f(6), f(12), f(18), f(30), and f(36)
D. 60, 75, 75; f(3), f(12), f(24), f(30), and f(36)
Answer: B
Mathematics
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