Question

Three points on the graph of the function f(x) are {(0, 1), (1, 3), (2, 9)}. Which equation represents f(x)?

Answer 1

Explanation:

that looks suspiciously like the powers of 3 :

f(x) = 3^x

if fits :

3⁰ = 1

3¹ = 3

3² = 9