Answer to the review exercises

Answer to the review exercises - P122)4 y = ax 3 bx 2(1,3...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
期期期期期期期
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
期期期期期 期期期期期期期期 P122 ( )4 期期期 (1,3) 期期期 期期期期期 a,b. ( 29 ( 29 ( 29 ( 29 ( 29 2 : 13 1 3, 3. , 1 0. 3 2 , 6 2 6 2 0. 3 3 2 , 6 2 0 9 2 f a b f f x ax bx f x ax b a b a a b a b b = + = ′′ = ′′ = + = + + = = - + = + = = 期期 , 期期期期期期 , 期期 期期期期期期期期期 期期期期期 3 2 y ax bx = +
Background image of page 2
期期期期期 Determine the concavity 期期期期 and the inflection points 期期期期 of the following functions: 50 48 12 2 3 4 - + - = x x x y ( 29 ( 29 ( 29 ( 29 3 2 2 2 : 4 36 96 12 72 96 12 6 8 12 2 4 0 4 2 ( ,2) (4, ) : 0 2 4 2 4 0 2 4 : 2 62 4 206 y x x x y x x x x x x y x x y x y x x = - + ′′ = - + = - + = - - ′′ < ⇒ -∞ +∞ ′′ < < < ′′ = = = 期期期期期期期期期期期期期 期期期 期期期期期期期 期期期期期期期期期期 期期
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
( 29 4 3 1 2 1 f x x x = - + 期期期期期期期期期期期期 ( ) ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 3 2 2 2 2 4 6 , 12 12 0 12 12 0 1 0 0 12 12 0 0 1 0 0 1. ,0 1, 1,0 . f x x x f x x x f x x x x x f x x x x f x x x f x ′′ = - = - ′′ - < ′′ < - < < < ′′ = ⇒ = = -∞ +∞ U 期期 期期期期期期期
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/29/2012 for the course MATH 120 taught by Professor Folh during the Spring '08 term at Eastern Michigan University.

Page1 / 21

Answer to the review exercises - P122)4 y = ax 3 bx 2(1,3...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online