The quadratic function $$ f(x) = -\frac{1}{3}(x-4)^2 + 9 $$ ...

Question Analysis
This question tests the student's understanding of horizontal translations in the vertex form of a quadratic function. The key is to identify the value of in the function .

Key Concept Explanation
In the vertex form , the value of determines the horizontal translation. If , the graph shifts units to the right; if

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