Question

Asked Mar 29, 2019

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If the graph of f(x) is shown above, what is the value of the following integral? from x=1 to x=9

Step 1

To find the integral of the function **f(x) **from **x = 1** to **x = 9**, it is required to find the function from **x = 1** to **x = 4**, **x = 4** to **x = 5**, **x = 5** to **x = 8** and **x = 8** to **x = 9**. Since the function between these intervals represents straight lines, we can find the function using a two-point form of the line. Let us consider the points **A**, **B**, **C**, **D** and **E,** whose coordinates are **(1,5)**, **(4,6)**, **(5,1)**, **(8,6)**, and **(9,6),** respectively.

Step 2

Find the equation of the line between the points **(1,5)** and **(4,6)**.

Step 3

Find the equation of line between the points **(4,6)...**

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