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Any help with this? Biology : Do bacteria have bacteria? A ball is launch vertically upward from the ground at 45 m/s. How long will it take to return to the ground(total time from launch)? Given the arithmetic sequence an = 3 + 2(n − 1), what is the domain for n? All integers where n ≤ 1
All integers where n ≥ 1? Is (-x^y) always negative? And what about (-x^-y)?