\( f(x)=\left\{\begin{array}{ll}x+2 & \text { if } x<2 \\ x+1 & \text { if } x \geq 2\end{array}\right. \)
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Bonus Knowledge
Did you know that piecewise functions like this one are a fantastic way to model real-life scenarios where different conditions apply? For instance, a person might get charged a different rate for bus fare depending on whether they are traveling on a weekday or a weekend. So, the function could represent their fare depending on the day! When working with piecewise functions, one common mistake is forgetting to check the boundary points where the definition changes. In this case, at \( x = 2 \), the function switches from \( x + 2 \) to \( x + 1 \). It's essential to verify which part of the function applies and calculate the output accurately to avoid errors!