Question

Help on integral.

Answer 1

I keep getting 10 for the first part

Answer 2

The magnitude of the area seems to be 8

Answer 3

(for that interval of course)

Answer 4

area of those rectangles, it is negative because they are below the x axis

Answer 5

(( Yes, this is why i said magnitude ))

Answer 6

for visualization, drag the 1 by 2 triangle from one end to the other to make it a 4 by 2 square.

Answer 7

okh okay I see

Answer 8

so how would I do the second one?

Answer 9

idk, but that function the curve seems to be a parabola x^2 without any streching factor....
So that function is, as seems to be,
(x-6)^2-1 --> over the interval [5,7]