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Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

In terms of x, find an expression that represents the area of the shaded region. the outer square has side lengths of (x+5) and the inner square has side lengths of (x-2), as shown. area: a1 x + a2 square units submit

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)