Rational, irrational (4 points) (1) (2 points) Prove or disprove that if x y is an irrational number, then x or y is also an irrational number. (2) (2 points) Prove that if x 2 is irrational, then x is irrational. (Hint: try a proof by contrapositive) 5. Sets (6 points) (1) (1.5 points) Use set builder not

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step-by-step explanation:

what is the question?

step-by-step explanation:

the first option is the answer.

you ignore the remainder, therefore the answer is y = x+2

step-by-step explanation:

you have to divide the denominator by the numerator. you can use synthetic division or long division.

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x + 2 + 1/x+5