The Function P, Whose Graph Follows, Gives the Prime Rate

Multiple Choice

The function P, whose graph follows, gives the prime rate (the interest rate banks charge their best corporate customers) as a function of time for the first 32 wk during a year. Determine the values of t for which P is discontinuous. ​ ​

A) t = 11
B) t = 3, 2, 5
C) t = 8, 2, 5
D) t = 8, 16, 20