Domain are for x-values so [0,3] and range are y-values so [2,-2]. It is not a function because there are multiple x-values for y-values. The only thing I am not sure about is whether to use brackets [ ] and/or parentheses ( ) because the graph does not use circles. Hope this helped!
B because toby scored T=18+5
ANSWER IS C because I looked it up
The answer is A Because -22 is the opposite of 23