Precalc0105to0107-page15

Precalc0105to0107-page15 - (Section 1.6: Combining...

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(Section 1.6: Combining Functions) 1.6.3 fx () = x 2 yields the blue graph below; gx = x 3 yields the red graph. + = x 2 + x 3 yields the brown graph; we add y -coordinates. § Example 2 (Subtracting Functions) Let = 4 x and = x + 1 x . Find f ± g x and Dom f ± g . § Solution f ± g x = ± = 4 x ± x + 1 x ² ³ ´ µ · WARNING 2 : Use grouping symbols when expanding here. Be careful when subtracting an expression with more than
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This document was uploaded on 12/29/2011.

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