Find the average of a change of given function over the indication values of X if necessary around your final answer to two decimal places y= -9x^2+3x-12, where x goes from 0 to 7.

geometry: triangles

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call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

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step-by-step explanation:

nndncnd cnn

snddnd

b if for most of the graph

d if y intercept

step-by-step explanation:

cause it equals more