The image of a point after a –90° rotation about the origin is (–4, 7). what are the coordinates of the preimage?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585