IV. Given the functions f(x) = 2x + 5, g(x) = -x² - 6x + 7, and h(x) = the following. Show complete solutions. 16. (*) (4) 17. (hf)-¹(2) 18. g (5) - 3h(1) 19. (hg)(-4)-f(2) . ( F. (1.1)) (x1) 8 20. 3 - 6x x-4 evaluate

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