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Determine-if-the-numbers-1-5-8-are-in-the-range-of-the-fuctions-f-x-2x-if-2-x-lt-2-3-if-x-2-




Question Number 141935 by cesarL last updated on 24/May/21
Determine if the numbers 1, 5, 8   are in the range of the fuctions    f(x)= { ((2x      if  −2≤x<2)),((3         if    x=2)) :}
$${Determine}\:{if}\:{the}\:{numbers}\:\mathrm{1},\:\mathrm{5},\:\mathrm{8}\: \\ $$$${are}\:{in}\:{the}\:{range}\:{of}\:{the}\:{fuctions} \\ $$$$ \\ $$$${f}\left({x}\right)=\begin{cases}{\mathrm{2}{x}\:\:\:\:\:\:{if}\:\:−\mathrm{2}\leqslant{x}<\mathrm{2}}\\{\mathrm{3}\:\:\:\:\:\:\:\:\:{if}\:\:\:\:{x}=\mathrm{2}}\end{cases} \\ $$$$ \\ $$

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