Solve for x. (hint: similar triangles)

What is the equation of the graph below? y=sec(x)-4

What is the inverse of f(x) = 6x -24

50 points and will mark brainlest 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: