Question

Hey can you please help me posted picture of question

Answer 1

The correct answer is B

Answer 2

The correct answer is option B.

Solution is shown below


`y= 4 x^(3) \\ \\ (y)/(4) = x^(3) \\ \\ \sqrt[3]{(y)/(4)} =x \\ \\ f^(-1)(y)= \sqrt[3]{(y)/(4)} \\ \\ f^(-1)(x)= \sqrt[3]{(x)/(4)} \\ \\ y^(-1)= \sqrt[3]{(x)/(4)}`