Answer:
Both
Step-by-step explanation:
They will both give you the same answer.
-13-5 = -18
-13 + -5 = -18
Well, there needs to be an equation.
The mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.
<h3>
How do you calculate the mass of sodium chloride required?</h3>
Given that weigh of the person is 50 KG. The mass of the sodium chloride in one person is given below.

The mass of sodium chloride is calculated as given below.


Hence we can conclude that the mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.
To know more about the mass, follow the link given below.
brainly.com/question/15959704.
Answer:
No it is not a function
Step-by-step explanation:
Since x=0 produces y=4 and y=0, the relation (2,3),(0,4),(−1,2),(3,−4),(0,0),(-3,−2),(−2,0) is not a function.