## Calculus 10th Edition

Domain: $(-\infty,\infty)$ Range: $[3,\infty)$
For quadratic functions, the domain is all real numbers, also written as $(-\infty,\infty)$ Since the library function $f(x)=x^2$ has a range of $[0,\infty)$, the range of $f(x)=x^2+3$ is $[3,\infty)$