f x + y is rational, must x and y each be rational? A) Yes; because the sum of rationals is rational. B) No; because the sum of

Question

3 years ago

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f x + y is rational, must x and y each be rational? A) Yes; because the sum of rationals is rational. B) No; because the sum of

irrationals is always irrational. C) No; because x and y could be additive inverses of each other. D) Yes; because x and y must be integers, and integers are rational.

Mathematics

1 answer:

Rudik [331] · Answer 1 · 2022-03-22T13:36:31+03:00

Rudik [331]3 years ago

7 0

The answer is D) Yes; because x and y must be integers, and integers are rational.