Question 324650
{{{drawing(300,300,-5,5,-15,5,grid(1),locate(2.2,2.2,f1),locate(-1.8,-3.8,f2),circle(3,1,.2),circle(-1,1,.2),circle(-1,-5,.2),blue(line(3,1,-1,1)),blue(line(-1,1,-1,-5)),graph(300,300,-5,5,-15,5, -2(x-3)^4+1,-2(x+1)^4-5))}}}
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Here are graphs of the two functions. 
Explain, in words, how to get from f1 to f2 using x and y translations provided by the blue lines.