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

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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

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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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### Calculus 