Find the horizontal asymptote of the graph f(x)= 2/x-4

A: y=2 B: x=0 C: x=4 D: y=0

Find the vertical asymptote(s) if any, for f(x)= 4x-4/x2-5x-6

A: x=-1, x=6, x=4 B: x=-1, x=6 C: x=4, x=-1 D: none

Find the zeros of the function. F(x)= 4x-7/x-2

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- July 6th 2006, 04:24 PMLanepretest 6 math questions
Find the horizontal asymptote of the graph f(x)= 2/x-4

A: y=2 B: x=0 C: x=4 D: y=0

Find the vertical asymptote(s) if any, for f(x)= 4x-4/x2-5x-6

A: x=-1, x=6, x=4 B: x=-1, x=6 C: x=4, x=-1 D: none

Find the zeros of the function. F(x)= 4x-7/x-2 - July 6th 2006, 06:09 PMThePerfectHackerQuote:

Originally Posted by**Lane**

Quote:

Originally Posted by**Lane**

that happens when (remember set each factor equal to zero).

Quote:

Originally Posted by**Lane**

a fraction is only zero when its numerator is zero thus,

thus, - July 7th 2006, 06:56 AMearbothQuote:

Originally Posted by**Lane**

you'll get the horizontal asymptote if calculate the limit of f(x):

a) you mean: . Then

b) you mean: . then

The possible answers doesn't include y = -4, therefore the answer is D.

Greetings

EB