Calc 2 Question

[smit4428]

[h=1]Consider the following function. y=7x^2ln (x/7). (a) Locate the relative extremum(b) Locate the inflection pt?[/h]
Please answer to 2 correct decimal places

 

[renegade05]

(a) Locate the relative extremum

You can find this by differentiating y and setting it to zero.

so y' = 0 and solve for x.

(b) Locate the inflection pt?

This occurs when y''=0.

So differentiate y' and set to zero.