Let \( A=\{-1,0,1,2\} \) and \( B=\{2,3,4,5\} \). Find which of the following are functions from...

Channel:
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=JGjno3z80ok



Duration: 7:04
5 views
0


Let \( A=\{-1,0,1,2\} \) and \( B=\{2,3,4,5\} \). Find which of the following are functions from \( A \) to \( B \). Give reason.
\[
f=\{(-1,2),(-1,3),(0,4),(1,5)\}
\]
πŸ“²PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live




Other Videos By PW Solutions


2022-10-26If \( z_{1}=(2-i) \) and \( z_{2}=(1+i) \), find \( \left|\frac{z_{1}+z_{2}+1}{z_{1}-z_{2}+i}\ri...
2022-10-26Find the real values of \( x \) and \( y \) for which: \[ (1-i) x+(1+i) y=1-3 i \]
2022-10-26What are magnetic field lines? Justify the following statements. (i) Two magnetic field lines nev...
2022-10-26Find the smallest positive integer \( n \) for which \( (1+i)^{2 n}=(1-i)^{2 n} \).
2022-10-26If \( (a+i b)=\frac{c+i}{c-i} \), where \( c \) is real, prove that \( a^{2}+b^{2}=1 \) and \( \...
2022-10-26\( \left(2^{3 n}-1\right) \) is a multiple of 7 .
2022-10-26If \( \left(\frac{1-i}{1+i}\right)^{100}=(a+i b) \), find the values of \( a \) and \( b \).
2022-10-26State right hand thumb rule to determine the direction of magnetic field around a current carryin...
2022-10-26Show that \( (1-i)^{n}\left(1-\frac{1}{i}\right)^{n}=2^{n} \) for all \( n \in N \).
2022-10-26\( 3^{n} \geq 2^{n} \)
2022-10-26Let \( A=\{-1,0,1,2\} \) and \( B=\{2,3,4,5\} \). Find which of the following are functions from...
2022-10-26The flow of current in a circular wire creates a magnetic field at its centre. How can existence ...
2022-10-26\( \left(3^{2 n+2}-8 n-9\right) \) is divisible by 8 .
2022-10-26\( \left(1+\frac{3}{1}\right)\left(1+\frac{5}{4}\right)\left(1+\frac{7}{9}\right) \ldots\left\{1...
2022-10-26\( \frac{1}{2 \cdot 5}+\frac{1}{5 \cdot 8}+\frac{1}{8 \cdot 11}+\ldots+\frac{1}{(3 n-1)(3 n+2)}=...
2022-10-26What are magnetic field lines? How is the direction of magnetic field at a point determined? Ment...
2022-10-26The following diagram shows two parallel straight conductors carrying same current. Copy the diag...
2022-10-26\( \left(x^{2 n}-1\right) \) is divisible by \( (x-1) \), where \( x \neq 1 \).
2022-10-26\( \frac{1}{1 \cdot 4}+\frac{1}{4 \cdot 7}+\frac{1}{7 \cdot 10}+\ldots+\frac{1}{(3 n-2)(3 n+1)}=...
2022-10-26How should the electric lamps in a building be connected, so that the switching on or off in a ro...
2022-10-26\( 1+3+3^{2}+3^{3}+\ldots+3^{n-1}=\frac{1}{2}\left(3^{n}-1\right) \)



Tags:
pw