1 to the 4th is just 1. 3 times 1 minus 4 plus 2. So it's 3 times 1 minus 4 times 1, which is minus 1 plus 2. Well, that's just a positive 1. So f of 1 is 1. And then we know at x is equal to 0, we also figured out that the slope is equal to 0. But we figured out that this was an inflection point.