Recall the constant multiple law which states that if c is a constant and the limit lim f x exists then the following holds 818 1 cf x c c lim f x x lim X18 Applying this limit law gives us the following 72 8 m lim 1 5 lim lim 5 lim G X18 x48 X18 8 lim x18 3 lim x18