Let f = {(x, x² /1+x² ): x € R } be a function from R into R . range of x is

any positive real number x such that 0≤ x

Let f = {(x, x² /1+x² ): x € R } be a function from R into R .

1.	Let f = {(x, x² /1+x² ): x € R } be a function from R into R . range of x is
A.	positive real numbers.
B.	negative real numbers
C.	non negative real numbers
D.	any positive real number x such that 0≤ x <1
Answer» E.

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