Question: Given the function: y ( x ) = - 2 x 2 5 7 x - 1 0 . At what value of x is

Given the function: y(x)=-2x257x-10. At what value of x is y maximum?
Please round your answer to one decimal place and put it in the answer box.
Given the function: y ( x ) = - 2 x 2 5 7 x - 1 0

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