MCQ
The function $f: R \rightarrow R$ defined by $f(x)=6^x+6^{|x|}$ is
  • A
    One-one
  • B
    onto
  • C
    Bijective
  • None of these

Answer

Correct option: D.
None of these
(d)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A relation $R$ is defined on $N$. Which of the following is the reflexive relation?
Choose the correct answer from the given four options. On using elementary column operations $C_2 \rightarrow C_2-2 C_1$ in the following matrix equation $\begin{bmatrix}1&-3\\2&4\end{bmatrix}=\begin{bmatrix}1&-1\\0&1\end{bmatrix}\begin{bmatrix}3&1\\2&4\end{bmatrix},$ we have :
If $\text{f}(\text{x})=\frac{1}{4\text{x}^{2}+2\text{x}+1}$, then its maximum value is :
If $f(x) = \left\{ \begin{array}{l}\,\,\,\,\,\,\,\,\,\,\,\,x\sin x,\,{\rm{when \,\,}}0 < x \le \frac{\pi }{2}\\\frac{\pi }{2}\sin (\pi + x),{\rm{when\,\,}}\frac{\pi }{{\rm{2}}} < x < \pi \end{array} \right.$, then
The unit normal vector to the line joining $i - j$ and $2\,i + 3\,j$ and pointing towards the origin is
The solution of the differential equation $3{e^x}\tan ydx + (1 - {e^x}){\sec ^2}ydy = 0$ is
Let $f : R \rightarrow R$ be given by $f(x) = [x^2] + [x + 1] - 3$ where $[x]$ denotes the greatest integer less than or equal to $x$. Then, $f(x)$ is:
Let $y = y\, (x)$ be the solution of the differential equation $\frac{{dy}}{{dx}} + 2y = f\left( x \right) ,$ where $f\left( x \right) = \left\{ \begin{array}{l}1,\,\,\,\,\,x \in \left[ {0,1} \right]\\0,\,\,\,\,\,otherwise\end{array} \right.$ If $y\, (0)$ = $0$, then $y\left( {\frac{3}{2}} \right)$ is
The motion of stone thrown up vertically is given by $s = 13.8t - 4.9{t^2}$, where $s$ is in metre and  $t $ is in seconds. Then its velocity at $t = 1$ second is ........ $m/s$
A man tosses a coin $10$ times, scoring $1$ point for each head and $2$ points for each tail. Let $P(K)$ be the probability of scoring at least $K$ points. The largest value of $K$ such that $P(K) > \frac{1}{2}$ is