Question 324762
{{{drawing(300,300,-6,8,-10,4,grid(1),locate(-1.8,1,f1),locate(4.1,1,f2),circle(-1,0,.4),circle(5,0,.4),blue(line(-1,0,5,0)),graph(300,300,-6,8,-10,4, -(1/4)(x+1)^4 ,-(1/4)(x-5)^4 ))}}}
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Here are graphs of the two functions. 
Explain, in words, how to get from f1 to f2 using x translations.