2. A linear function f(x) passes through the point (-2, -5) and has a slope of m = -4. (6) a) Determine the point-slope equation for f(x). b) Determine the slope-intercept equation for f(x). c) Write an equation that is perpendicular to the above linear function. T 3. Line A passes through the points (2,4) and (8,16). Line B is parallel to Line A and passes through the point (-2,-6). Find the equation of line B. (2) 4. The following is a table of profits for a business for the last 5 years. (4) X Years in Business 12345 y Profit $65 000 $ 80 000 $95 000 $110 000 $125 000 a) Find the linear equation relating x and y. b) How much profit would the business expect in year 9? c) At this rate in what year would the business expect to have a $250 000 profit