Precalc0103to0104-page12

Precalc0103to0104-page12 - (Section 1.3 Basic Graphs and...

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(Section 1.3: Basic Graphs and Symmetry) 1.3.12 PART I: RECIPROCAL FUNCTION and POWER FUNCTIONS WITH NEGATIVE, ODD POWERS Let fx () = 1 x or x ± 1 . We call f a reciprocal function , because its output is the reciprocal (or multiplicative inverse ) of the input. We will carefully construct the graph of f . Let’s construct a table for x ± 1 . x 1 10 100 ±² , or 1 x 1 1 10 1 100 ± 0 + • The 0 + notation indicates an approach to 0 from greater numbers, without reaching 0. The table suggests the following graph for
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