Question
Function
Find the inverse
Evaluate the derivative
Find the domain
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f−1(x)=37729x
Evaluate
p=3x3×x3×x×1
Simplify
More Steps

Evaluate
3x3×x3×x×1
Rewrite the expression
3x3×x3×x
Multiply the terms with the same base by adding their exponents
3x3+3+1
Add the numbers
3x7
p=3x7
Interchange x and y
x=3y7
Swap the sides of the equation
3y7=x
Divide both sides
33y7=3x
Divide the numbers
y7=3x
Take the 7-th root on both sides of the equation
7y7=73x
Calculate
y=73x
Simplify the root
More Steps

Evaluate
73x
To take a root of a fraction,take the root of the numerator and denominator separately
737x
Multiply by the Conjugate
73×7367x×736
Calculate
37x×736
Calculate
More Steps

Evaluate
7x×736
The product of roots with the same index is equal to the root of the product
7x×36
Calculate the product
736x
3736x
Calculate
37729x
y=37729x
Solution
f−1(x)=37729x
Show Solution

Solve the equation
Solve for x
Solve for p
x=37729p
Evaluate
p=3x3×x3×x×1
Simplify
More Steps

Evaluate
3x3×x3×x×1
Rewrite the expression
3x3×x3×x
Multiply the terms with the same base by adding their exponents
3x3+3+1
Add the numbers
3x7
p=3x7
Swap the sides of the equation
3x7=p
Divide both sides
33x7=3p
Divide the numbers
x7=3p
Take the 7-th root on both sides of the equation
7x7=73p
Calculate
x=73p
Solution
More Steps

Evaluate
73p
To take a root of a fraction,take the root of the numerator and denominator separately
737p
Multiply by the Conjugate
73×7367p×736
Calculate
37p×736
Calculate
More Steps

Evaluate
7p×736
The product of roots with the same index is equal to the root of the product
7p×36
Calculate the product
736p
3736p
Calculate
37729p
x=37729p
Show Solution
