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Question: hello i am working on these questions and i need...

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3. Which of the following statements are true, and which ones are false? (a) Br e R such that 22 0. (b) Vr R, By R such that ry-1. This (c) B e R, such that Vy R, zy 0. Thu (d) 3r0, such that Vy R, ry-0. tr auny r on reel Trv X (e) z, y ER such that z + y-1. 4. Write the following propositions using quantifiers. (a) There is a real number that is a solution to the equation z. z-1. 티Aht (b) For every real number z there exists an integer y such that their sum is an integer. s 1 3 5. Challenge A function f is continuous at z E R if for every ε > 0 there is a δ > 0 such that If(y)-/(z)| < ε whenever Iz-vl < δ. (a) Write this using quantifiers. (b) Negate the definition.
Hello I am working on these questions and I need some help. Thanks !
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