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what is the limit of a function

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what is the limit of a function as x approaches infinity: (x-1)/(7x+4)
asked Oct 16, 2017 in PRECALCULUS by anonymous
reshown Oct 16, 2017 by bradely

1 Answer

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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

answered Oct 17, 2017 by lilly Expert

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