Pre-Calc Homework Solutions 192

Pre-Calc Homework Solutions 192 - 192 Chapter 4 Review e 4...

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13. y 95 h y 05 h Graphical support: [ 2 4, 4] by [ 2 2, 4] (a) 1 0, } ˇ 2 3 w } 4 (b) ( 2‘ , 0] and 3 } ˇ 2 3 w } , 2 (c) ( 2‘ ,0) (d) (0, ) (e) Local maximum at 1 } ˇ 2 3 w } , } 3 ˇ 16 3 w } 2 < (1.155, 3.079) (f) None. Note that there is no point of inflection at x 5 0 because the derivative is undefined and no tangent line exists at this point. 14. y 952 5 x 4 1 7 x 2 1 10 x 1 4 Using graphing techniques, the zeros of y 9 are x < 2 0.578 and x < 1.692. y 052 20 x 3 1 14 x 1 10 Using graphing techniques, the zero of y 0 is x < 1.079. Graphical support: [ 2 4, 4] by [ 2 10, 25] x , 0 x . 0 e 2 x , 2 6 x , x , 0 x . 0 2 e 2 x , 4 2 3 x 2 , 192 Chapter 4 Review
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