1. `y=(-2,1),(-1,3),(2,1)`,`y=x^2-3` Example-1
1. `y=(-2,1),(-1,3),(2,1),(3,2)`, find Domain of a function
Solution:
`y=(-2,1),(-1,3),(2,1),(3,2)`
domain`={-2,-1,2,3}`
range`={1,3,2}`
2. `y=x^2-3`, find Domain of a function
Solution:
`y=x^2-3`
Domain : all x
Domain set is
Interval Notation : `(-oo,oo)`
Set-Builder Notation : `x in R`
3. `y=(x+4)/(x-3)`, find Domain of a function
Solution:
`y=(x+4)/(x-3)`
`x-3=0`
`=>x-3=0`
`=>x=0+3`
`=>x=3`
Domain : `x!=3`
Domain set is
Interval Notation : `(-oo,3)uu(3,oo)`
Set-Builder Notation : `x< 3 or x>3`
This material is intended as a summary. Use your textbook for detail explanation.
Any bug, improvement, feedback then
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