Question: do it fast 7) Let f(x) = -3x +18x - 21 Write f in vertex form (by completing the square). Do not use the formula

do it fast

7) Let f(x) = -3x +18x - 21 Write f in vertex form (by completing the square). Do not use the formula x = -b/2a. Coordinates of the vertex S is increasing on the interval and decreasing on Equation of the line of symmetry J-intercept Absolute maximum or minimum function value is Coordinates of a third point on the graph. Graph f

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