If f(x) =1/9x-2 what is f^1(x)
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Let , coordinate of points are P( h,k ).
Also , k = 3h + 1
Distance of P from origin :
Distance of P from ( -3, 4 ) :
Now , these distance are equal :
Solving above equation , we get :
Hence , this is the required solution.
Check the picture below.
now, we have a triangle with all three sides, thus we can use Heron's Area Formula on the triangle.
