(1 mark) Let f(:n) _ 5 .118 2 3:6 +sin(:n)+1 3 2:9 2 . Find the behaviour of f(:1:) as a: > oo. o It lim f(:l:) exists, enter the value of this limit in the box below. mmo o If f(:t:) > 00 as :1: > 00 then enter infinity in the box below. a ltf(.1:) > 00 as .1: > 00 then enter -infinity in the box below. . In other cases enter undefined in the box below. _In