Precalc0105to0107-page5

Precalc0105to0107-page5 - (Section 1.5: Piecewise-Defined...

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(Section 1.5: Piecewise-Defined Functions; Limits and Continuity in Calculus) 1.5.5 Example 3 (Graphing a Piecewise-Defined Function with a Removable Discontinuity) Graph f , if fx () = x + 3, x ± 3 7, x = 3 ² ³ ´ . § Solution • We graph the line y = x + 3 , except we leave a hole at the point 3, 6 , since 3 is deleted from the subdomain of the top rule. • The bottom rule defines f 3 to be 7, so we plot the point 3, 7 .
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