[10000印刷√] ”¯Œ^ ƒŒƒfƒB[ƒX ƒ{ƒu 30‘ã 239269

F(x) = P(X x) = Z x 1 f(t) dt;

”¯Œ^ ƒŒƒfƒB[ƒX ƒ{ƒu 30‘ã-IBFI = IAEI ICEI = 21AEI lAC!22 3 Continuous Functions If c ∈ A is an accumulation point of A, then continuity of f at c is equivalent to the condition that lim x!c f(x) = f(c), meaning that the limit of f as x → c exists and is equal to the value of f at c Example 33 If f (a,b) → R is deﬁned on an open interval, then f is continuous on (a,b) if and only iflim x!c f(x) = f(c) for every a < c < b