and d are not witnesses.
)
Following is a big-oh relationship. Give witnesses n0 and c that can be used to prove the relationship. Choose your witnesses to be minimal, in the sense that n0 - 1 and c are not witnesses, and if d < c, then n0 and d are not witnesses.
n¹º is O(3ⁿ)
This is a problem regarding big-oh relationship and choosing appropriate witnesses.