Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 117 feet, and ball 2 is dropped from a height of 233 feet. Use the function f(t) = -16t 2 + h to determine the current height, f(t), of a ball dropped from a height h, over given time t.

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solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !