Write an equation for computing a 12 % tip in a restaurant. does your equation represent a function? if so, what are your choices for the independent and dependent variables? if not, select none in the appropriate blanks.

find upper t ( m ) where m is a meal price, t ⁢ is a tip.

t(m)= ?

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