What are the domain and the range of this graph?

a) The domain is {x∈R|x≤0} and the range is {y∈R|y≤0}.
b) The domain is {x∈R|x≤0} and the range is {y∈R|y≥0}.
c) The domain is {x|x∈R} and the range is {y∈R|y≤0}.
d) The domain is {x|x∈R} and the range is {y∈R|y≥0}.

What are the domain and the range of this graph a The domain is xRx0 and the range is yRy0 b The domain is xRx0 and the range is yRy0 c The domain is xxR and th class=