The answer is 3+s because 3s-2s=s and when you simplify your answer that's what you get
Here you go hope this helps :)
The general form of the equation of a line is represented by the Affine function y = mx + b, in which m represents the slope, b the y-intercept, y and x the coordinates of a point.
By hypothesis, we got the slope (m = 4), and the coordinates of a point (in which x = 0 and y = -9). So all we need to do is to find the y-intercept b.
Let's replace the values we have in the equation y = mx + b:
-9 = 4*0 + b
-9 = 0 + b
-9 = b.
We got now the y-intercept. So the final equation of the line is:
y = 4x - 9
If we subtract 4x from each side, we get:
y - 4x = -9
And if we multiply both sides by -1, we get:
4x - y = 9
So the equation of the line, based on your choices, is 4x - y = 9.
I've added a picture of the graph of the equation under the answer.
Hope this Helps! :)
Y-intercept is the point where the line crosses the y-axis. At this point the the x-component is zero. So the y-intercept is of the form (0,y)
We can see the y-intercept from the given data points. The y-intercept is (0,8) or y=8.
x-axis represents the time spent on reading and y axis represents the time spent on Social Media. The y-intercept indicates that when the time spent on reading is 0, the time spent on Social media is 8 hours.
So, option D gives us the correct answer.