Question 463306
f(x)= -2x^3+1
y=-2x^3+1
x=-2y^3+1
-2y^3=x-1
y^3=(1-x)/2
{{{y=((1-x)/2)^(1/3)}}}
{{{f^-1(x)=((1-x)/2)^(1/3)}}}
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Ed