Properties of f(x)= 1/x undefined at x=0
- graph exists in 1st and 3rd quadrant
- it is symmetric about the y=x and y=-x
- as x ---> infinite ; f(x)----> 0 ( as it is approaching infinite the value is getting closer to 0)
- as x ---> 0; f(x)---> infinite
- as x ---> (negative) infinite: f(x)
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