Chapter 12.1, Problem 12E

(a)

To determine

To calculate: The value of $y_0,y_1,y_2,y_3\text{ and }{y}_4$ for difference equation $y_n=-2y_{n-1}$.

(b)

To determine

To graph: The points $\left(0,\frac{1}{2}\right),\left(\text{1,}-\text{1}\right)\text{, }\left(\text{2,2}\right)\text{, }\left(\text{3,}-\text{4}\right)\text{, }\left(\text{4,8}\right)$.

(c)

To determine

To calculate: The solution of difference equation $y_n=-2y_{n-1}$.