13. The function f is defined as follows.

f(x) = 2+x if x <0

x square if x >/= 0

(a) Find the domain of the function.

(b) Locate any intercepts.

(c) Graph the function.

(d) Based on the graph, find the range.

(a) The domain of the function f is . ( answer in interval notation.)

(b) Locate any intercepts. Select the correct choice below and, if necessary, fill in the answer in the box.

1. The intercept(s) is/are .
2. (only ordered pairs. Use a comma to separate answers as needed.)
3. There are no intercepts.

(c) Choose the correct graph of f(x) below.