Given the functions f(x)=4x+8 and g(x)=2x-12 find f(x)+g(x)

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking

Based on the diagrams, what is the value of x?