How does the graph of y = 3X compare to the graph of y = 3-X?
The graphs are the same.
The graphs are reflected across the x-axis.
The graphs are reflected across the -axis.

Step-by-step explanation:

the red one is 3x the blue one is 3-x

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+

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