Find the domain of the function.
f(x) = sqrt of x+8 / (x+4)(x-6)

answer options:
a) x is not equal to -8, x is not equal to -4, x is not equal to 6
b) x> 0
c) all real numbers
d) x is greater than or equal to -8, x is not equal to -4, x is not equal to 6

i think the answer is d.