How do you find the inverse of #f(x) = x^2 + x# and is it a function?
1 Answer
May 16, 2018
inverse relation is
Explanation:
let
solve for x in terms of y using the quadratic formula:
use quadratic formula
sub in
Therefore the inverse relation is
Note that this is a relation and not a function because for each value of y, there are two values of x and functions cannot be multivalued