Question

what is the limit of a function as x approaches infinity: (x-1)/(7x+4)

Answer 1

lim x--> ∞ (x-1)/(7x+4)

=lim 1/x-->0 x(1-1/x)/x(7+4/x)

=lim 1/x-->0 (1-1/x)/(7+4/x)

=(1-0)/(7+0)

 =1/7