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Solution
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Solution provided by AtoZmath.com
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Domain of a function calculator
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1. `y=x^2-3`
2. `y=(x+4)/(x-3)`
3. `y=sqrt(x-8)`
4. `(-2,1),(-1,3),(2,1),(3,2)`
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Example1. `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}`
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