Question: 20. Given the function f (x) = =x - 3, a. What is the slope of the function? (2) b. What is the y-intercept of

20. Given the function f (x) = =x - 3, a. What is the slope of the function? (2) b. What is the y-intercept of the function? (2) 21. A line has a slope of - and a y-intercept of . Write the equation of the line. (2) 22. A line passes through the points (3, 8) and (5, 13). Find an equation of the line. (3)

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