Which description best explains the domain of (g o f)(x)?
a.) the elements in the domain of f(x) for which g(f(x)) is not undefined
b.) the elements in the domain of f(x) for which g(f(x)) is not zero
c.) the elements in the domain of g(x) for which g(f(x)) is not undefined
d.) the elements in the domain of g(x) for which g(f(x)) is not zero

Which of the following was a major outcome of european imperialism in africa after the industrial revolution? o a. the area around the suez canal experienced decades of military conflict o b. africans in the belgian congo suffered forced labor and oppression o c. the discovery of rich matural resources led to african economic prosperity. o d. europeans brought disease to central africa, killing thousands.