IIT JEE , AIEEE Forum - Mathematics , Algebra - i am not understanding when to write the functions in the case of such problem:

chinmay_saxena01

hey the range is 5 to infinity.....for the value x= 5 u will get y=0 and this is minimum value,,,coz square root does not contain negative x....and for .>5 u will get any value of y....and we write this in this form [5,infinity)....this implies function can take x=5 but not infinity tat's why we put open interval at last,,,,,

Ask & Discuss Questions with Community & Experts