54000/.6= 90000, so answer should be 90,000
D) 12 would NOT be a possible length for the third side because the sum of the 2 shorter legs should be greater than the longest leg.
Since we can find that the graphs Y value is by a factor of 2 looking at the graph we can find
f(3)=8
True.
E.g. (x-1)(x-2) versus 100(x-1)(x-2)
They have same roots of x= 1 or 2, but the second equation is 100 times stretching of the first one vertically