If the function is one - to- one , find it's inverse . If not , write "not one - to- one ." 12 j {( x ) = x3 - 3 A ) F - 1 ( x ) = ~|X + 3 B ) Flixj = ~|x + 3\\ [ ] not a one - to - one Dj Flixj = ~`X - 3| 13 ; fixj = ~|x - 4 . x = 4 A ) F - 1 ( x ) = ~|X + + B ) F - 1 ( x ) = $ 2 + 4. x 2 0 ( ) fl ( x ) = ( x - 4 ) 2 D ) not a one - to - one Find all rational zeros . 14 j f( x ) = x3 - 8x 2 + 4 x + 48 4 | 4. 6 - 2 81 5. 7. _ 2 0 - 4. _ 6. 2 01 - 5. _ 7. 2 U'se the graph to guess possible linear factors of { (x ) . Then completely factor I(x ) with the aid of sunthetic division . 15j {(x) = 7x 3 - 39 x 2 - 40x + 132 iT A j f( x ) = [ x + 2 ) [ x - 6 ) |7 X - 13) B ) FIX ) = ( x + 2) [ x - 6) ( 7x - 1 1} #(x) = [x - 2) [ x + 6 ) 1 7 X + 1 1 ) Dj #[x ) = ( x - 21 ( x + 6} ( 7x + 13}