Yes, the horizontal line test is important when finding the inverse of a function because without the intersection of the line, they would be no inverse.
The steps include;
A property of horizontal line is that if it intersects the graph of a function more that on way, then 'f' does not have an inverse.
If no horizontal line intersects the graph , 'then f' does have an inverse.
Thus, the horizontal line test is important when finding the inverse of a function because without the intersection of the line, they would be no inverse.
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