2 is the answer because if you subtract 12 to 1 it will be 11 and time by 0 and it will be 0 add by 4 and divide it by 2 and it will be 2.
The first one and the third one are correct. because for the when you plug 1 on the first piece wise function you get 3.
f(3) =1. and f(1)=3 so f(1)>f(3)
Answer: 
Step-by-step explanation:
Given
The temperature on Tuesday is 
Temperature drops to
on Wednesday
Net drop in temperature 
The temperature drops twice from Wednesday to Thursday

Temperature on Thursday

X+8 because ur adding 8 to a number (x)