# Ques 13 could you please help?

##### 1 Answer

Dec 8, 2017

The answer is D.

#### Explanation:

A. Incorrect. The "image set" refers to the entire domain of

B. Incorrect. This wrongly uses interval notation do describe the domain by including 4 in the interval. The domain of

C. Incorrect. As

**D**. Correct. We can see from the graph that

E. Incorrect. If we graph the inverse of