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For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?