Chapter 12.1, Problem 11E

(a)

To determine

To calculate: The value of $y_0,y_1,y_2,y_3\text{ and }{y}_4$ for difference equation $y_n=-0.4y_{n-1}+7$.

(b)

To determine

To graph: The points $\left(0,17.5\right),\left(\text{1,0}\right)\text{, }\left(\text{2,7}\right)\text{, }\left(\text{3,4}\text{.2}\right)\text{, }\left(\text{4,5}\text{.32}\right)$.

(c)

To determine

To calculate: The solution of difference equation $y_n=-0.4y_{n-1}+7$.