SOLUTION: Can some please help me with this problem step by step please? The directions are Determine whether the function is one-to-one by graphing and using the horizontal line test. The p

Question 1006216: Can some please help me with this problem step by step please? The directions are Determine whether the function is one-to-one by graphing and using the horizontal line test. The problem is f(x)=x-10/x+6.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

Imagine any horizontal lines you want, through the graph. More than one intersection anywhere?

Also, for two different variables, a and b,

and if you try solving this to look at how a and b relate to each other,
...
..
you will find or .
This means any a or b is the same value or same number. This looks like one-to-one.

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