Mark (√) against the correct answer in the following:

Question:

Mark (√) against the correct answer in the following:

Let $f(x)=x^{2}$. Then, dom (f) and range (f) are respectively.

A. $R$ and $R$

B. $R^{+}$and $R^{+}$

C. $R$ and $R$ +

D. $R$ and $R-\{0\}$

 

Solution:

According to sketched graph of $x^{2}$

Domain of $f(x)=R$

And Range of $f(x)=R^{+}$

 

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