4 0

Precalculus : Functions and graphs / 6 6 Kolman, Bernard and Arnold Shapiro. - Second Edition. - - xvi, 548p. - - - - - . - . - 0 . - . - 0 .







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5





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2 = =









2




2 --0------


6 --0-- 2 --------



0 2 --


--20------





--------20--


--------20--


----2

/ 2

/ 2

/

/