f(x) = { x ; x<= 0

x^2 ; 0 < x < =1

2/x ; 1 < x <= 2

x-1 ; x>2

My problem is whether f(x) is continuous at x = 0 or not. Because left hand limit = f(0) when x approaches to 0 but the right hand limit $\displaystyle \neq$ f(0) when x approaches to 0. is it continuous ?