Question 4. Which of the following sentences are propositions? For those that are propositions, indicate the truth value. (a) If x is a real number, then x³ < x. (b) The integer 7 is not prime. (c) The polynomial f(x) = (3x)2 is strictly non-negative. (d) The sunrise over Lake Michigan is spectacular!

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A: Given: A∪B=A∪B-A A∪B⊆C≡A⊆C∧B⊆C ax, bx, and cx denotes x∈A, x∈B, and x∈C respectively. To do:…

Q: 7. Consider the following proposition. Proposition 0.1. For all real numbers x and y, if x # y, x >…

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Q: T T T F F T Complete the truth table for the following proposition (db)<-((b~)<-d) (d<-…

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Q: The polynomial f(x) = (3x)² is strictly non-negative. The sunrise over Lake Michigan is spectacular!

A: Proposition: A proposition is a statement which is either true or false. It can not be both. #4(c)…

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A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…