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Rugtugba
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What is the domain of the function shown below? f(x)=24/(x^2+8) help please
 one year ago
 one year ago
Rugtugba Group Title
What is the domain of the function shown below? f(x)=24/(x^2+8) help please
 one year ago
 one year ago

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Rugtugba Group TitleBest ResponseYou've already chosen the best response.0
@Mertsj or @phi can you guys help?
 one year ago

mivanov Group TitleBest ResponseYou've already chosen the best response.0
well the domain are the x values for which the function is defined. for a fraction such as yours to be undefined the divisor must be 0 but x^2+8 > 0 for every x so the domain is R, every real number
 one year ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.1
Remember, the denominator cannot be 0. Since the denominator is x^2+8, and x^2 has a smallest value of 0, and 0+8 will always be positive, there are no restrictions on x and the domain is all real numbers.
 one year ago

mivanov Group TitleBest ResponseYou've already chosen the best response.0
hey Mertsj, can you help me with some advanced number theory? i am trying to do something with the sigma function(sum of divisors of number)
 one year ago

Rugtugba Group TitleBest ResponseYou've already chosen the best response.0
so then the domain would be all real numbers greater than 0?
 one year ago

Rugtugba Group TitleBest ResponseYou've already chosen the best response.0
dag nabit it was just all real numbers :/ thanks anyways
 one year ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.1
Didn't I post that the domain is all real numbers?
 one year ago
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