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Answer:

The Y-intercept is -1

Step-by-step explanation:

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The statement which describes the graph of function [tex]f(x)=\frac{x^{2} -1}{x^{2} -2x+1}[/tex] is that the [tex]y[/tex] - intercept is [tex]y=-1.[/tex]

What is graph of function?

The graph of a function is the set of all points in the plane whose co-ordinates satisfy the function [tex]y = f ( x )[/tex] .

We know that for Quadratic equation [tex]f(x)=ax^{2} +bx+c[/tex], and [tex]f(x)=0[/tex]

Using this,

[tex]f(x)=0[/tex]

We get,

[tex]f(x)=\frac{x^{2} -1}{x^{2} -2x+1}=0[/tex]

This gives

[tex]\frac{x^{2} -1}{x^{2} -2x+1}=0[/tex]

[tex]x^{2} -1=0[/tex]

[tex]x^{2} =1[/tex]

[tex]x=1,-1[/tex]

Hence, we can say that the [tex]y[/tex] - intercept is [tex]y=-1.[/tex]

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