Question: Is this a function from R to R ? f(x)=2x+1 True False QUESTION 2 Is this a bijection from R to R ? f(x)=x2+1 True

Is this a function from R to R ? f(x)=2x+1 True

Is this a function from R to R ? f(x)=2x+1 True False QUESTION 2 Is this a bijection from R to R ? f(x)=x2+1 True False

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