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Compare features of functions

f\blue f is a function defined on all real numbers. Its formula is given below.
g\pink g is a function defined on all real numbers. Its graph when 10x10-10\leq x \leq 10 is given below.
Which of the features are shared by f(x)\blue{f(x)} and g(x)\pink{g(x)}?
Choose all answers that apply:
Choose all answers that apply:
f(x)=x24\large{\blue{f(x)} = x^2 - 4}