A function is continuous everywhere except that is undefined and

MATHEMATICS · Subjective · AP · Calculus AB · Limits and Continuity · Limits and Continuity

Problem

A function ff is continuous everywhere except that f(3)f(3) is undefined and lim⁡x→3f(x)=2\displaystyle \lim_{x\to 3}f(x)=2. Define g(x)=∣f(x)∣g(x)=|f(x)| for all xx where f(x)f(x) is defined. Determine whether gg is continuous at x=3x=3 and state the type of any discontinuity there.

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