February 27, 2017

Homework Help: Maths - Recipricals

Posted by TK on Saturday, August 23, 2008 at 2:00am.

I'm having some torubles understanding these question.

Sketch y1 = x-3 and y2 = 1/x-3 on the same set of axis

a) What is the relationship between the zero of y1, and vertical asymptote of y2?

Does the question mean when y1 = 0?. I know the vertical asymptote is just a vertical line on the graph that gets closer and closer and closer to, but doesn't actually touch.

c)When y1 has a large positive value, explain what happens to the value of y2. Similarly, when y1 has a large negative value what happens to y2? Explain why this happens.

I know if the y1 value gets larger, so does the x value. But how does y1 having a large value even affect the value of y2, when they're both different graphs.

I appreciate any help. Thanks.

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