Materials Science & Engineering Problem! (Chemical engineering)

Please answer this question as soon as possible with specific explanation.

If you're going to write it in handwriting, please write it clearly so I can recognize it. I don't want you to write solution in cursive letter.

I can give you thumbs up when your answer is correct.

Thanks.

Question 3 (2% Assignment Score): You are an engineer working for a biotechnological company in the sustainable agriculture sector. Previous biological studies have demonstrated that the growth rate of a class a of high-performing potatoes in South Australia is optimal at