How to find the integral with only a graph given

Sneakatone · Mar 9, 2013

how do you graph an integral?

(a) Evaluate g(x) for x = 0, 4, 8, 12, 16, 20, and 24.(b) Estimate g(28). (Use the midpoint to get the most precise estimate.
since there's no equation give I don't know how to integrate the function.

vela · Mar 9, 2013

Why did you think g(4)=4? If you're just guessing, you need to go back and study some more before even attempting the problem.

Sneakatone · Mar 9, 2013

is the a way you can help me find the integral from just the graph?

SteamKing · Mar 9, 2013

What does this integral represent geometrically?

Sneakatone · Mar 10, 2013

the area , in this case most of them are triangles

vela · Mar 10, 2013

Do you know how to calculate the area of a triangle?

SammyS · Mar 10, 2013

Sneakatone said:

the area , in this case most of them are triangles

What is the area of each small rectangle on the graph ?

Chestermiller · Mar 10, 2013

You can fit analytic functions piecewise to f(t), and then integrate analytically. The variation, for the most part, is linear in the various sections.

How to find the integral with only a graph given

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How to find the integral with only a graph given

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