Which set of shapes could be used to form a net for an octagonal prism?

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Find the cosine function that is represented in the graph.

What is the value of p in the equation y^ = -4x?