If B=1-q and c=3q-q^2-1 find an expression that equals b-c in standard form

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

Consider the graph of the exponential function y=3(2)×

Can someone me out here number 4 plz