Posted by Sam on Saturday, January 26, 2013 at 3:40pm.
a) f(x) = (5x-2)/((x-2)(x-3)) , the brackets are essential.
domain: any real number , except x=2, x=3
b) f(x) = √(5-2x)
we can't take the square root of a negative, so
5-2x ≥ 0
-2x ≥ -5
x ≤ 5/2
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