Given: angle2 and angle4 are vertical angles. Prove: angle2 cong angle4

Chose the graph below that represents the following system of inequality’s

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.

What are the domain and range of the function f(x)=2^x+1