Find the image of (-8, 9) after a counterclockwise rotation of 180° about the origin. a. (-9, 8) c. (-9, -8) b. (8, -9) d. (8, 9)

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Find the cosine function that is represented in the graph.

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?