The translation of the function y = 2(x - 15)² to y = 2(x - 11)² + 3 is; 4 units to the left.
We are given the graph function;
y = 2(x - 15)²
Now, the function above was translated to get;
y = 2(x - 11)² + 3
Now, when we translate a graph to the right, we subtract from the x-value, but if we move the graph to the left, we subtract from the x-value. Thus;
The translation was 4 units to the left.
Read more about Graph Translations at; https://brainly.com/question/26238840
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