The equation, f(X) = 4 + 3X is already in slope intercept form. In this equation, coefficient 3 of variable X is the slope of line and constant 4 is the Y intercept.
To sketch the graph, you can plug in some values for X and find Y or plug in some values for Y and find X.
Start from 0 up to 4 or 5 numerical values and sketch the graph.
In the above picture, you can see the graph of the line with Y intercept and slope of the line.
As slope is rise over run, you can see that in right triangle AHD, height or rise is 3 units and run or base is 1 unit. So 3/1 is the slope of the line.
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Answer:
The equation, f(X) = 4 + 3X is already in slope intercept form. In this equation, coefficient 3 of variable X is the slope of line and constant 4 is the Y intercept.
To sketch the graph, you can plug in some values for X and find Y or plug in some values for Y and find X.
Start from 0 up to 4 or 5 numerical values and sketch the graph.
In the above picture, you can see the graph of the line with Y intercept and slope of the line.
As slope is rise over run, you can see that in right triangle AHD, height or rise is 3 units and run or base is 1 unit. So 3/1 is the slope of the line.