Precalc0105to0107-page9 - (Section 1.5 Piecewise-Defined...

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(Section 1.5: Piecewise-Defined Functions; Limits and Continuity in Calculus) 1.5.9 A Right-Hand, One-Sided Limit Evaluate lim x ± 2 + fx () , which is read: “the limit of as x approaches 2 from the right .” • We want the real number that approaches as x approaches 2 from greater numbers (imagine approaching x = 2 from the right along the real number line), if such a number exists. • A table can help: x 2 + ± 2.001 2.01 2.1 2
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