Describe an example of a situation when the graph would be represented with a constant interval

Pls! does anybody know a shortcut for answering these types of questions in the future?

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)