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Domain of a Quadratic Function
Using the graph and table as a reference, identify the Domain of the function f(x)=14x2−2\displaystyle {f{{\left({x}\right)}}}=\frac{{1}}{{4}}{x}^{{2}}-{2}. Write your answer in Interval Notation.
f(x)=14x2−2\displaystyle {f{{\left({x}\right)}}}=\frac{{1}}{{4}}{x}^{{2}}-{2}        Domain of f(x)\displaystyle {f{{\left({x}\right)}}} =
xf(x)
-54.25
-42
-30.25
-2-1
-1-1.75
0-2
1-1.75
2-1
30.25
42
54.25

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