Step-by-step explanation:
Since the polygon has four vertices (D,E,F and G), it is a quadrilateral (4 vertices).
Answer:
5x + 1
-5x - 1
to make -5x positive you have to divide both sides by -1
Hope this helps!!!
F(3)=2x2-3-5
= 4-3-5
=1-5
=-4
