This function does not have any holes and as youp to tes Increasing:- function is Increasing whenever f'in ) > 0 decreasing : - function is decreasing whenever f'( 1 ) ro for) is increasing on ( 4, 00 ) fox ) is decreasing on ( -00 , - 8 ) U ( - 8 , 4 ) f " ( * ) = 4 ( x - 7 ) 25 ( x - 4) 6/ 5 for) is concave up whenever f"(x ) , 0 fix ) is concame down whenever of"( x )