mary the Domain of each function. Use interval notation. (a) f(x) = In(9-x) ( b) f(x ) = log(6x-7) x2-8x-20 - 2 x- 87-2070 (2- 10) ( 242) #0 x 4 - 2, 10 Interval: ( -00, 9 ) Interval: ( 8 , 10 ) 0 ( 10 , 00 ) (c) f (x ) = - -2% + In(x + 3) + 5x4+1 4x (d) A(x) = log(5x +9)+16-x 2 +370 6-X2. 5x(+970 x )- 3 ( 2 x 50( ) - 9 ( - 3 , 6] Beach Interval: ( - 3 , 0 ) 6 (0 , 00 ) Interval: 9. Write each statement as a single logarithm. Simplify answer accordingly and completely. BOX ANSWERS. Show some steps. (a) logs 50 + 3logs 3 - logs 54 (b) 2In 5 - In (x + 8) + In (x2+5x-24) 50x 35 25 ( 2x48)( x-3) dogs 54 / LA 25 (2-3 ) 10. Write the exponential equation of the function for the data: (3, 4) and (7, 10). 4 - ab