In Exercises 1-5, let f(x) = sin x, g(x) = x² + 1, and h(x) = 7x. Write a simplified expression for the composite function 1. f(g(x)) 2. f(g(h(x)) 3. (g o h)(x) 4. (ho g)(x) g(x) 5. f h(x)

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