Answer the following questions for the function f(x)=x√√√√x² +9 defined on the interval - 7 ≤ x ≤ 6. f(x) is concave down on the interval x = f(x) is concave up on the interval x = The inflection point for this function is at x = The minimum for this function occurs at x = The maximum for this function occurs at x = to x = to X =

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