if the point (9,26) lies on the graph y=f(x) then y= {inverse function} must contain (26,9)
The inverse of function:
A function that can reverse into another function is known as an inverse function or anti-function. In other words, the inverse of a function "f" will take y to x if any function "f" takes x to y. The inverse function is denoted by or if the function is represented by "f" or "F"
Given (x,y)=(9,26)
i.e.f(x)=y
⇒f(9)=26
inverse means swap x and y
i.e. y=
⇒ = y
⇒=9
Therefore, y= must contain (26,9).
Complete question: if the point (9,26) lies on the graph y=f(x), the graph of y= must contain what point
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