If ƒ(x ) = x 2 + 1 and g(x ) = 3x + 1, find [ƒ(4)] 2

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)