Identify whether each graph represents a function?

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

Given abcd ac=38 and ae=3x+4 find the value of x

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180