# What is the minimum or maximum of #h(x)=x^2-4x+3#?

##### 1 Answer

Aug 6, 2015

Since the coefficient of **minimum** .

#### Explanation:

We have to set the derivative to zero:

Put that in

So the minimum is at

graph{x^2-4x+3 [-6.58, 13.42, -2.28, 7.72]}