Suppose z= e3t a. Find the value of the expression r" – 9x" + 272' – 27x in terms of the variable t. (Enter the terms in the order given.) help (formulas) b. Simplify your answer to the previous part...

Extracted text: Suppose z= e3t a. Find the value of the expression r" – 9x" + 272' – 27x in terms of the variable t. (Enter the terms in the order given.) help (formulas) b. Simplify your answer to the previous part and enter a differential equation in terms of the dependent variable z satisfied by z = e3t Enter the derivatives of a using prime notation (r', a", r"). help (formulas) c. Is z = et a solution to your differential equation in the previous part? Choose Choose Be sure you can justify your answer. Yes No Submit answer