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Given the function g(x)=41x^3+a for some constant a, which describes the inverse function g^-1(x)

1 Answer

5 votes

Answer:


g^(-1)(x)=\sqrt[3]{(x-a)/(41)}

Explanation:

The inverse of a function has
x and
y values switched from the original function. Therefore, simply switch
x and
y and isolate
y to get your inverse function:

Original function:
g(x)=41x^3+a

Switching
x and
y, then isolating
y:


x=41y^3+a,\\x-a=41y^3,\\(x-a)/(41)=y^3,\\y=\sqrt[3]{(x-a)/(41)}.

Therefore, the inverse of the
g(x)=41x^3+a is:


\fbox{$g^(-1)(x)=\sqrt[3]{(x-a)/(41)}$}.

User Hanshenrik
by
8.7k points

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