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The graph of \( y=9^{x} \) and \( y=\log _{9} x \) is are mirror image of each other about line y = x prove. |
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Answer» Let y = 9x The mirror function of y = 9x about line y = x will find by inter changing x & y. i.e., putting x in place of y & y in place of x. So, x = 9y ⇒ y = log9x (By taking log9 on both sides) Hence, functions y = 9x & y = log9x are mirror images of each other about line y = x. |
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