Use the information to determine the limits. (If the limit is infinite, enter '∞' or '-∞', as appropriate. If the limit does not otherwise exist, enter DNE.) limx→c f(x) = ∞limx→c g(x) = −2 (a) limx→c [f(x)+g(x)] (b) limx→c [f(x)g(x)] (c) limx→c g(x)f(x)