Use the following functions to evaluate the expressions (if possible) in questions 9-16: f (x) = 2x +6 g(x) = Vx h(x) = = j(x) = 3x2 9. (f - 9) (25) 10. (f x h) (8) 11. (h x ))(x) 12. (f + g + h+ ))(1) 13. (j + h)(x) 14. h(g(9)) 15. (j . h) (x) 16. (j . f . g) (4)