-(4)-2 = -4-2= -6
Hope that helps you
The first thing that shoyuld be noted is that you have linear functions here : straight lines in your graph
Answer:

Step-by-step explanation:
Since 9 and c are multiplied together and the product is at most -28, the equation would have to be the one above.
Find the cost of 1 inch by dividing 80 cents by 16 inches, then multiply that cost by 11:
0.80 / 16 = 0.05 per inch.
11 inches x 0.05 = 0.55
It will cost 55 cents.
Answer:

Step-by-step explanation:
The given relation is

To make
the subject, we square both sides of the equation to get;


Isolate
on one side of the equation;

Or

We take the positive square root of both sides to get;
