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Evaluate x(-2) for x = -3. (-2) is an exponent! :)
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So x^(-2)?
yes
1/9
Whenever anything is to the power of a negative sign, that indicates that you must flip the numerator to the denominator.
So then it would be 1/(x^-2)=1/((-3)^2)=1/9
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*1/(x^2)
it becomes 1/(x^2) and then you plug in the -3 so its 1/9
thankkks :)
Did it make sense? Also it is good to note that sometimes you may have problems that look like this: 1/(x^-2)
which means you need to switch it from the denominator to the numerator. So it would be x^2. Just a helpful note.
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