Practice problem
Which function represents the following sequence? 4,8,16,32,…4,8,16,32,\dots4,8,16,32,…
f(n)=2n+1f(n) =2^{n+1}f(n)=2n+1
f(n)=2×4n−1f(n) = 2 \times 4^{n-1}f(n)=2×4n−1
f(n)=2nf(n) = 2^nf(n)=2n
f(n)=2n−1f(n) =2^{n-1}f(n)=2n−1
Type a concept, like “slope” or “photosynthesis”.
