Answer:



Step-by-step explanation:
From the question we are told that
The grade is 
The variation is 
Generally the absolute value equation is mathematically represented as

=> 
So


And

=> 
Answer:
Option D : t = 5s + s/2 is the correct answer.
Step-by-step explanation:
Given that:
t = Combined weight of water and food
s = weight of the snail
Water drank by snail = 5s
Food ate by snail = s/2
Combined weight = Weight of water + Food
t = 5s + s/2
Hence,
Option D : t = 5s + s/2 is the correct answer.
X

38 -> 24x
x > 38 -> 31(x-38) + 912
912 = 24*38 (You will have to have 38 hours to be able to be in this part of the piece wise function)
Answer:
B = -13
Step-by-step explanation:
Add 13 to both sides
- 13 = b