Question

Give the domain and range of the function.

$f(x)=\frac{1}{x^2}$.

Solution

VerifiedStep 1

1 of 2our function is $f(x)=\dfrac{1}{x^2}$ the only value of x that for which f(x) is undefined is x=0 so we can write that the domain is

$(-\infty , 0)U(0,\infty)$

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