"Which of the following could be an example of a function with a domain [a, oo) and range [b, oo) where a0 and b0?"

Will put the options in the comment.
(And I'm not really asking for you to just give me the answer, I just really don't know how to do this.)

Question

"Which of the following could be an example of a function with a domain [a, oo) and range [b, oo) where a>0 and b>0?"

Will put the options in the comment.
(And I'm not really asking for you to just give me the answer, I just really don't know how to do this.)

anonymous · Answer

A.$$f(x)=^{3}\sqrt{(x-b)}+a$$B.$$f(x)=\sqrt{x-a}+b$$C.$$f(x)=^{3}\sqrt{x+a}-b$$D.$$f(x)=\sqrt{x+a}-b$$