set f(x) equal to y
y = 19/ x^3
swap x and y
x = 19/y^3
make y the subject
xy^3 = 19
y^3 = 19/x
then just replace y with f^-1(x)
hope this helped! have a good day ~ •lipika•
Help me answer this please FAST
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set f(x) equal to y
y = 19/ x^3
swap x and y
x = 19/y^3
make y the subject
xy^3 = 19
y^3 = 19/x
then just replace y with f^-1(x)
hope this helped! have a good day ~ •lipika•