Math
posted by Sam on .
Give the domain of the following functions. Give your answer in interval notation. a) f(x)= 5x2/x^25x+6 and b) square root of 52x

a) f(x) = (5x2)/((x2)(x3)) , the brackets are essential.
domain: any real number , except x=2, x=3
b) f(x) = √(52x)
we can't take the square root of a negative, so
52x ≥ 0
2x ≥ 5
x ≤ 5/2