Question: 3. Let f:R + R2 be the function f(x) = (x,x). Is f one-to-one? Prove or disprove it

3. Let f:R + R2 be the function f(x) = (x,x).

3. Let f:R + R2 be the function f(x) = (x,x). Is f one-to-one? Prove or disprove it

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