Solve the Given First-Order Linear Initial Value Problem $- y _ { n + 1 } = y _ { n } ; y _ { 0 } = 1$

Multiple Choice

Solve the given first-order linear initial value problem. $- y _ { n + 1 } = y _ { n } ; y _ { 0 } = 1$

A) $y _ { n } = 1$
B) $y _ { n } = ( - 1 ) ^ { n + 1 }$
C) $y _ { n } = ( - 1 ) ^ { n }$
D) $y _ { n } = ( - 1 ) ^ { n } + 1$