ImerR532675 ImerR532675

29-10-2022
Mathematics

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If f(x)=3[x] +5, find f(x) if x= 4.3f(x)= -17f(x)= 17f(x)= 20f(x)= -20

If fx3x 5 find fx if x 43fx 17fx 17fx 20fx 20 class=

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TelaA452723 TelaA452723

29-10-2022

It is given that

[tex]f(x)=3\lbrack x\rbrack+5[/tex]

Now

[tex]\begin{gathered} f(4.3)=3\lbrack4.3\rbrack+5 \\ =3(4)+5 \\ =12+5 \\ =17 \end{gathered}[/tex]

So the correct answer is f(x)=17

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