The slope of the function in discuss is -2 and the y-intercept of the function is; 3.
The slope which is simply a measure of the rate of change can be obtained by comparison of the function given to the slope-intercept form of a linear function.
f(x) = mx + c
Hence, the slope of the function is -2 and it's y-intercept (point of intersection with the y-axis) is; (0,3).
Read more on slope-intercept form;
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