How do you get the integral?

I'm currently doing b, and I don't understand how to get the integral? What is meant by a line parallel to the y-axis? And what do you do with 1.5?

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Rhenane
10 months ago

As you mean by recording, it has already been answered: 4 boxes correspond to the area 1, i.e. the desired area is 1.5 (FE) equals 6 boxes, and this is the case at about x=1.

The exact x value at which the parallel should be drawn is obtained by the invoice:

(solution: x=0.94)

However, you could also pull the parallel on the left of the x-axis – it is not explicitly stated that the parallel must be the right of the x-axis! Then the necessary invoice was:

(solution: x=-0,637)

MaxSymbol
10 months ago

Hello,

with parallel straight line is meant to pull a straight line next to the y axis. Make your cursor 1 on the x-axis and go up there until you get to the graph (This is the straight line). These are about 1.5 as a surface area, even if this is not very accurate. This is, as in linear functions, the pitch triangle as example D.

Then you calculate the integral: see above.

Greeting