(9am to 6pm)

Ask Questions, Get Answers

Want help in doing your homework? We will solve it for you. Click to know more.
Home  >>  CBSE XII  >>  Math  >>  Relations and Functions

Let $f,g:R \rightarrow $R be defined by $f(x)=2x+1$ and $g(x)=x^2-2,\forall x \in R,$respectively. Then, find $g\;of(x)$.

$\begin{array}{1 1} 4x^2 -4x -1 \\ 4x^2+4x-1 \\ 4x^2+4x +1 \\ 4x^2-4x+1 \end{array}$

1 Answer

Need homework help? Click here.
  • $f;g:R \to R$
  • Then $gof =g(f(x)) \qquad \forall x \in R$
Hence $ gof(x)=4x^2+4x-1$


answered Mar 1, 2013 by meena.p

Related questions