2. Given the quadratic function of y = 5u² - 3bu+b. If the function is said to possess repeated roots, determine the value(s) of b. 3. The Uriah Butler Highway connects south Trinidad and Tobago to the north while and the Churchill Roosevelt Highway connects East Trinidad and Tobago to the west are described to be perpendicular to each other at the point they meet. If the Uriah Butler Highway has a slope of 5 and the Churchill Roosevelt Highway passes through the geometric coordinates (50, 140). Derive a straight-line equation to represent the Churchill Roosevelt Highway. 4. Given the two functions below: y = 10e-0.5q y = 7ln5q a) Using the same Microsoft Excel sheet or otherwise, draw or sketch the two functions for the interval -1

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