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If y=f(x)=3x^2+2x+4, then value of y at ...

If `y=f(x)=3x^2+2x+4`, then value of y at `x=f(2)` will be

Text Solution

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`f(x)=y=3x^2+2x+4`
`f(2)=3(2)^2+2(2)+4`
`=20`
`f[f(2)]=3(20)^2+2(20)+4`
`=1244`
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