Help meh please. These ixl questions...

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.

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?