Find the domain of the rational function. Write your answer in set-builder notation.
g(x)=(5x)/(x²+3x-70)
a) {x|x≠-10, x≠7}
b) {x|x≠10, x≠-7}
c) {x|x≠-7, x≠10}
d) {x|x≠7, x≠-10}