Mathematics for IGCSE & O level - Functions (Section 2 - No. 16)
What is the process for finding the inverse of a function?
Swap x and y in the function's equation.
Solve the new equation for y.
Replace f(x) with y.
Leave the function equation unchanged.
Explicació
To find the inverse, swap x and y, and solve for y. Also, replace f(x) with y.