Question

Given the recursively defined formula c1=−3
, cr=cr−1+4
, determine which option is the correct function notation.(1 point)

c(1)=−3
; c(r)=cr−1+4


c(1)=−3
; c(r)=c(r+4)−1


c(1)=−3
; c(r)=c(r+1)−4


c(1)=−3
; c(r)=c(r−1)+4

Answer 1

Correct option:
c(1) = −3 ; c(r) = c(r−1) + 4

Reason: Replace subscripts by function notation: c1 → c(1), cr → c(r), cr−1 → c(r−1).