6. Consider these functions from the set of students in a discrete mathematics class. Under what conditions is the function one-to-one if it assigns to a student his or her a) mobile phone number. b) student identification number. c) final grade in the class. d) home town

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A: See attached file for a step by step explanation.

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A: As per our guideline we are supposed to answer only one asked question.kindly repost other question.…

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A: A function f is said to be one-one if ff(x)≠f(y)  if x≠y

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A: Note that we can take constant outside of an integration. So, the given statement is true.

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A: Given, A = {a,b,c,d} f = {(a,0) , (c,12) , (d,18) , (b,12)}

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A: FORMULA :-

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A: We find total number of functions from a set with 3 elements to a set with 5 elements.

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Q: Consider these functions from the set of students in a discrete mathematics class. Under what…

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A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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