The figure shows the graph of y = -ax2 + bx + c. Suppose that the points (-h, y0), (0, y1), and (h, y2) are on the graph

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The figure shows the graph of y = -ax2 + bx + c.Suppose that the points (-h, y0), (0, y1), and (h, y2) are on thegraph. The area enclosed by the​ parabola, the​ x-axis, and thelines x = -h and x = h may be given by the formula below. Find thearea enclosed by f(x) = -3x2 + 6 the​ x-axis, andthe lines x = -1 and x = 1. Area = h/3 (y0 + 4y1 + y2)