Which phrase best describes the translation from the graph y is equal to 2 times open paren x minus 15 close paren squared plus 3 to the graph of y is equal to 2 times open paren x minus 11 close paren squared plus 3 ?

In the form y = 2(x − h)² + 3, the vertex is at x = h. The first graph has vertex x = 15, and the second has vertex x = 11, so the graph shifts 15 − 11 = 4 units to the left. The correct choice is “4 units to the left.”

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