Cha9 - Chapter 9 Joy Zhou Chapter 9 9.2 9.3 9.4 9.5 9.7 9.8...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full Document Right Arrow Icon

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

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chapter 9 Joy Zhou 10-28-2009 Chapter 9 9.2, 9.3, 9.4, 9.5, 9.7, 9.8 9.2 (a) y = 1 / 5 x + 8 (1) x = 5( y- 8) (2) f- 1 ( x ) = 5( x- 8) (3) (b) y = 5 / ( x + 3) (4) h- 1 ( x ) = 5 /x- 3 (5) (c) y = 4 √ 3- x- 7 (6) y + 7 = 4 √ 3- x (7) 3- x = ( y + 7 4 ) 2 (8) g- 1 ( x ) = 3- ( y + 7 4 ) 2 (9) (d) 1 y- √ x = √ x- 1 (10) y 2- 2 √ xy + x = x- 1 (11) y 2- 2 √ xy + 1 = 0 (12) y 2 + 1 = 2 y √ x (13) √ x = y 2 + 1 2 y (14) j- 1 ( x ) = ( x 2 + 1 2 x ) 2 (15) (e) y = radicalbig 16- x 2 (16) x 2 = 16- y 2 (17) k- 1 ( x ) = radicalbig 16- x 2 (18) ≤ y ≤ 16. 9.3 (b) It is not one-to-one. (Horizontal Line Test). (c) y + 17 / 8 = 2( x- 3 / 4) 2 (19) ⇒ x- 3 / 4 = ± radicalbigg y + 17 / 8 2 (20) x ≥ 3 / 4 (21) ⇒ x- 3 / 4 = radicalbigg y + 17 / 8 2 (22) x = radicalbigg y + 17 / 8 2 + 3 / 4 (23) (d) x =- radicalbigg y + 17 / 8 2 + 3 / 4 (24) 2 9.5 y = f ( x ) = a + 1 x- a (25) y- a = 1 x- a (26) x- a = 1 y- a (27) x = 1 y- a + a (28) f- 1 ( x ) = 1 x- a + a (29) 9.7 Note: page 127 explains how to graph an inverse function: rotate by 90 degrees...
View Full Document

{[ snackBarMessage ]}

Page1 / 5

Cha9 - Chapter 9 Joy Zhou Chapter 9 9.2 9.3 9.4 9.5 9.7 9.8...

This preview shows document pages 1 - 4. Sign up to view the full document.

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