Sketch the graph of


Sketch the graph of $y=|x+3|$ and evaluate $\int_{-6}^{0}|x+3| d x$


The given equation is $y=|x+3|$

The corresponding values of and y are given in the following table.

On plotting these points, we obtain the graph of $y=|x+3|$ as follows.

It is known that, $(x+3) \leq 0$ for $-6 \leq x \leq-3$ and $(x+3) \geq 0$ for $-3 \leq x \leq 0$

$\therefore \int_{-6}^{0}|(x+3)| d x=-\int_{-6}^{-3}(x+3) d x+\int_{-3}^{0}(x+3) d x$

$=-\left[\frac{x^{2}}{2}+3 x\right]_{-6}^{-3}+\left[\frac{x^{2}}{2}+3 x\right]_{-3}^{0}$




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