Question

What is the value and is it minimum or max

Answer 1

minimum and value is 4 !! I got it correct on a test!

Answer 2

minimum and value of 4

Explanation:

`(dx)/(dy) = 2x-8`

When
`(dx)/(dy)=0` we will be able to get the critical points.

`2x-8 =0`
`x=4`

The graph is a quadratic graph with a 'U' shape, thus it has a minimum critical point.