If a ball is thrown into the air with a velocity of 80ft/s, its height in feet after t seconds if given by y = 80 t-16 . It will be at maximum height when its instantaneous velocity is zero. Find its average velocity from the time it is thrown to the time it reaches its maximum height. (a) 60 (b) 80 (c) 100 (d) 40 (e) 50

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.