Qualification > University

Maths Help Needed :(

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astarmathsandphysics:
more answers

astarmathsandphysics:
yet more answers

Tohru Kyo Sohma:

--- Quote from: astarmathsandphysics on August 26, 2012, 08:01:48 pm ---You can canel thoughout by 2 for example (4+6)/4=(2+3)/2

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I see

--- Quote from: astarmathsandphysics on August 26, 2012, 08:08:57 pm ---the first three questions answered in attachment

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Thanks alot for your help


--- Quote from: astarmathsandphysics on August 26, 2012, 08:17:32 pm ---more answers

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Thanks again


--- Quote from: astarmathsandphysics on August 26, 2012, 08:24:31 pm ---yet more answers

--- End quote ---
Thanks yet again






I have 1 last question to ask
what is a domain of a function exactly?

astarmathsandphysics:
It is the set of values that can be put into a function
The domain of f(x)=sqrt(x) is x>=0 because you cannot take the square root of a negative number

astarmathsandphysics:
good luck

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