Question: 1) Indicate whether the functions defined below are one-to-one, onto, neither, or both: i) h: Z Z. h(x) = x - 5. ii) t: Z

1) Indicate whether the functions defined below are one-to-one, onto, neither, or both: i) h: Z Z. h(x) = x - 5. ii) t: Z Z. t(x) = 4x. 2) Floor of (7.6) 3) Ceiling of (9.7) 4) f: R R, where f(x) = -x + 5. What is f-1 ?

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