The slope of the line in the function is 1
<h3>Slope of Line</h3>
The slope of a line is defined as the change in y-coordinate with respect to the change in x-coordinate of that line. The net change in y coordinate is Δy, while the net change in the x coordinate is Δx. So the change in y coordinate with respect to the change in x coordinate can be written as,
m = y₂ - y₁ / x₂ - x₁
Taking two points;
Substituting the values into the formula;
m = -2 - 0 / 3 - 5
m = -2 / - 2
m = 1
The slope is calculated as 1
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An equation that shows the dependence of 
on 
is 
and the domain of the function is ![x=[0,6], x \in N](https://tex.z-dn.net/?f=x%3D%5B0%2C6%5D%2C%20x%20%5Cin%20N)
.
Total number of cents 
.
She bought pencils for 
cents each.
Let equals the number of cents left.
So, 
.
Here must be positive
So, 
Domain of a function is the set of values for which the function is defined.
So, can get values from 
to 
.
Therefore, the domain is:
.
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First part 3x+(-5)=19 you need to remove parenthesis move the constant -5 to the right to have 3x=19+5 then add those to get 3x=24 then divide to get x=8
