Mathematics, 13.12.2020 02:40, soevse

A paper airplane was thrown from the top of a tall building. The height of the paper airplane above the ground can be found using the function y = –3.5x + 42, where x is the time in seconds the airplane has been in the air. How many seconds did it take the paper airplane to reach the ground?

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A paper airplane was thrown from the top of a tall building. The height of the paper airplane above...