What is the equivalent definition of the function given by $f(X) = \begin{cases}
2x , & x \ge 0 \\
0,& x < 0
\end{cases} $ ?
- f (x) = | x |
- f (x) = 2x
- f (x) = | x | + x
- f (x) = 2 | x |
The Correct Option is C
Solution and Explanation
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