Statement $-1$ : The equation $x\, log\, x = 2 - x$ is satisfied by at least one value of $x$ lying between $1$ and $2$
Statement $-2$ : The function $f(x) = x\, log\, x$ is an increasing function in $[1, 2]$ and $g (x) = 2 -x$ is a decreasing function in $[ 1 , 2]$ and the graphs represented by these functions intersect at a point in $[ 1 , 2]$
Statement $-1$ is true; Statement $-2$ is true;Statement $-2$ is a correct explanation for Statement $-1$
Statement $-1$ is true; Statement $-2$ is true;Statement $-2$ is not correct explanation for Statement $-1$
Statement $-1$ is false, Statement $-2$ is true
Statement $- 1$ is true, Statement $-2$ is false
If $f:R \to R$ satisfies $f(x + y) = f(x) + f(y)$, for all $x,\;y \in R$ and $f(1) = 7$, then $\sum\limits_{r = 1}^n {f(r)} $ is
Range of the function $f(x) = \frac{{{x^2}}}{{{x^2} + 1}}$ is
If a function $f(x)$ is such that $f\left( {x + \frac{1}{x}} \right) = {x^2} + \frac{1}{{{x^2}}};$ then $(fof )$ $\sqrt {11} )$ =
Show that the function $f : R \rightarrow R$ given by $f ( x )= x ^{3}$ is injective.
Let $E = \{ 1,2,3,4\} $ and $F = \{ 1,2\} $.Then the number of onto functions from $E$ to $F$ is