Question

Write a function rule based on the table below.

x f(x)
0 0
2 4
4 16
6 36




f(x) = x2


f(x) = 2x


f(x) = x + 2


f(x) = 4x

Answer 1

Answer: First option f(x)=x^2

x=0→f(0)=0^2→f(0)=0
x=2→f(2)=2^2→f(2)=4
x=4→f(4)=4^2→f(4)=16
x=6→f(6)=6^2→f(6)=36