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Maths Help Needed :(

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Tohru Kyo Sohma:

--- Quote from: astarmathsandphysics on August 26, 2012, 08:42:29 pm ---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

--- End quote ---
so the domain of the function f(x)=2 root of -2+x is?
a.x=2
b.x<2
c.x>2
d.x=>2
e.None of the above

astarmathsandphysics:
x>=2 actually but some say x>2

Tohru Kyo Sohma:

--- Quote from: astarmathsandphysics on August 26, 2012, 08:44:01 pm ---good luck

--- End quote ---
Thanks


--- Quote from: astarmathsandphysics on August 26, 2012, 08:47:21 pm ---x>=2 actually but some say x>2

--- End quote ---
i think so too

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