Question

Which of the following could be an example of a function with a domain [a,∞] and a range[b,∞] where a > 0 and b > 0?
A. f(x)=√(x-a) +b

B. f(x)=3√(x-b) + a

C. f(x)=3√(x+a) -b

D. f(x)=√(x+a) -b

Answer 1

A

Answer 2

thanks!