answer both with an explanation please

What Is true about the function What is true about the function 4 f ( x) = - as x -> 0o ? 1 x - 3 S(x) = 3 x + 5 as x - ? A f ( x ) - 3 A S ( x ) - 0 B J(x) - 0- c S( x ) -+ 0+ B f ( x ) - 00 D ((x) is undefined c s (x ) - -00 D Ar) Is undefined