(Section 2.8: Continuity) 2.8.2 Example 1 (Revisiting Example 1 in Section 2.1)If fx()=3x2+x±1, thenfis continuous at 1. This is because: 1)f1=3, 2)limx±1=3, and, therefore 3)limx±1=f1. A graph can demonstrate this.(Figure 2.8.a) Example 2 (Revisiting Example 2 in Section 2.2)Consider =x. (Figure 2.8.b) • f
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