Mathematics · Abstract Algebra
Which of the following mathematical structures forms a commutative ring with identity?
- 1The set of all functions f: ℝ → ℝ with compact support under pointwise addition and multiplication.
- 2The ring of all continuous functions from the closed interval [0,1] to ℝ.✓
- 3The ring of even integers, 2ℤ.
- 4The set of all continuous functions f: ℝ → ℝ with compact support.
Correct answer
The ring of all continuous functions from the closed interval [0,1] to ℝ.
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