Which is an algebraic expression that best describes the sequence 4, 16, 64, 256, 1024

asked Jan 10, 2018 230k views

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f(x) = 4^(x)
for x ≥ 1

f(1) = 4^1 = 4
f(2) = 4^2 = 16
f(3) = 4^3 = 64
.....

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