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Sagot :
Given:
The function is,
[tex]f(x)=\begin{cases}2x-1,x<1 \\ x+1,x\ge1\end{cases}[/tex]Explanation:
Determine the table for peicewise function.
x f(x)
-2 -5
0 -1
1 2
2 3
4 5
Plot the function by joining points.
The function is defined for all value of x. So domain of the function is,
[tex]\mleft\lbrace x|x\in R\mright\rbrace[/tex]The function value is less than 1 or greater than or equal to 1. So range of function is,
[tex]\mleft\lbrace y|y<1\cup y\ge2\mright\rbrace[/tex]
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