Exercise5: Define a set X recursively as follows B: 5 EX R: if x EX then x + 10 € X R2: If x EX then x² EX Show by induction that every element of X is divisible by 5.

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Q: (2) Section 7.1 problem 4: Find the ranges of the following functions on Z: (a) g = {(x, 4x + 1)|x €…

A: The given functions, a) g=x , 4x+1  x∈ℤ b) hx=the least integer that is greater than or equal to x…

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