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Let A=[-1,\ 1] . Then, discuss whether ...

Let `A=[-1,\ 1]` . Then, discuss whether the following functions from `A` to itself are one-one, onto or bijective: `f(x)=x/2` (ii) `g(x)=|x|` (iii) `h(x)=x^2`

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`\text { (i) } f(x)=\frac{x}{2} . `
`f(x_{1})=\frac{x_{1}}{2}=\frac{x_{2}}{2} `
`x_{1}=x_{2} `
`\Rightarrow f(x) \text { is oul-ore. } `
...
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