IMG_1946-1.jpg - 1 37 28 Find GIVEN a]fog f x = V 3-x 6 f-9 g(x = V x2-1 c fg d f/g state domains a]fig NOTE = 73-X 7x21 set radicals 120 to find 3-X20

# IMG_1946-1.jpg - 1 37 28 Find GIVEN a]fog f x = V 3-x 6 f-9...

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Unformatted text preview: 1. 37 28 ) Find GIVEN : a]fog f ( x ) = V 3 -x 6] f-9 g (x) = V x2-1 c] fg d] f /g ; state domains a]fig * NOTE : = 73-X +7x21 set radicals 120 to find 3-X20 - 3 - 3 * 2-120 domain -x2+3 x 2 41 X53 1x1 = 1 - x= 1 and x = - 1 (- 00, 3] ( - os , - ] u [ 1 80 ) ( - 8 , - 1 ]U [ 1, 3 ] b] f - g V 3 - x - Vx2-1 *=3 ( x - 1 ) ( * + 1 ) 20 work same as f + g 1( - 8 . - 1 ] v[ 1 , 3 ] fg d] /9 = 13-X = (1 3 -x ) ( x2-1 ) =V(3-X) (x2-1) = V3x2-3-x3+x Domain of = V(3-X ) (x-1) (x+1 ) 2 X 2-1 10 (-00,-1 ) U ( 1, 00 ) a square root can't ( + ) ( - ) ( + ) 3 3-X20 be negative/ ( - ) 6 - 3 - 3 one use * x 2- 3 positive intervals ( - , 1] u [1, 3] X43 (- 00, 3] ( - 00, - 1) V ( 1 , 3 ]...
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