find the domain and range of the following function?

Question

f(x)=|x+4|

please explain

Answer 1

Favorite Answer

ƒ(x) = │x+4│

The domain and range has to be all real numbers;

real numbers being ALL numbers that are on a number line.

No matter what real number you substitute in at x you will

get a real number answer at f(x) or just y.

Source(s): Site with real numbers: http://www.mathwords.com/r/real_numbers.htm