Table of values represent a QUADRATIC FUNCTION OR NOT

3 answers

x -3 -2 -1 0 1 2 3
f(x) 18 8 2 0 2 8 18
Answer the following if the given table of values represent a QUADRATIC FUNCTION or NOT
x -3 -2 -1 0 1 2 3
f(x) 18 8 2 0 2 8 18
yes
Did you plot the points and not notice they look like a parabola?