00:01
Okay, so we are looking for the inverse, which means that originally if we had x and f of x, well, now the inverse means that it will be flipped around.
00:14
So it would be f inverse of x, comma, x.
00:20
And so what i like to do to help me solve for that is actually flip the f of x and the x value around so that x is equal to to minus f inverse of x cubed divided by five so now if i'm solving this problem wants me to find the f inverse um so i'm going to go ahead and get the f inverse by itself i'm going to start off by multiplying five to each side so the denominator cancels out and multiply five so so 5x is equal to 2 minus f of x inverse.
01:09
And i'm being lazy here.
01:13
Cued.
01:15
So now i still have to isolate the f inverse.
01:20
So i'm going to subtract two.
01:23
And so, oops, not divide.
01:26
Sorry about that...