madixy
Determine the domain f(x) = 4/x^2
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Libniz
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what happen if you put 0 for x
madixy
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it would equal 0
Libniz
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no
madixy
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oh
4
Libniz
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no
Eyad
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Domain =R-{0}
Eyad
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because if u put zero in the denominator of a fraction that will give you a math error..
Eyad
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Whenever you are given a fraction and u need to find its domain ,take the denominator and equal it to zero then solve and the result will be the domain in the form
R-{result} ...
madixy
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So I have to find the range first?
Eyad
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i didn't say find the range !
Just equal it to zero
x^2=0
x=0
Domain=R-{0}
madixy
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what is R then? haha I'm sorry
madixy
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oh result
madixy
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oh oh ohhhh thank you. It just clicked! :) THANKS!
Eyad
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R=Real numbers
Eyad
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Thats mean the domain is all real numbers except Zero :)
Eyad
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Yw