Mathematics, 25.08.2020 01:01 rockinrosh12
1. Sketch the graph of a negative quadratic function with ∆ <0. 2. Determine the roots of the equation x2 - 8x - 9 = 0. 3. A helicopter has its position p (t) (in meters) as a function of time (t) given by the function p (t) = 3t2 + 10t + 3. What is the position of this helicopter at time t = 10 seconds? 4. Graph the function y = 2x2 - 50. 5. Which of the options below represents a quadratic function where ∆ <0? 6. The vertex coordinates of the function f (x) = x2 + 4x +4 are: 7. A projectile is launched into the air. Its height h, in meters, t seconds after launch is h = –t2 + 4t + 5. How many seconds after the launch does the projectile touch the ground? 8. The monthly salary of the employees of a company consists of a fixed part of R $ 900.00 and a variable part corresponding to productivity. What function does the salary of the employees of that company represent? Can someone help me with these questions, please.
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1. Sketch the graph of a negative quadratic function with ∆ <0. 2. Determine the roots of the equ...
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