Problem 5. Write the function h(x) = (7x2 -5) as the composition of two functions, that is, find f(x) and g(x) such that h(x) = (fog) (x). Problem 6. Write the function h(x) = _ as the composition of two functions, that is, find f(x) and g(x) such that h(x) = (fog)(x). Problem 7. Find the equation of the line passing through the points (-1, 4) and (1, 0). Problem 8. Find the equation of the line parallel to 2x -6y = 1 and passing through the point (3, 4). Problem 9. Find the equation of the line perpendicular to 4x - 8y = 1 and passing through the point (1, 2)