Let f(x) = -2x + 4 and g(x) = 5x - 7. find f(x) - g(x). i've tried to do it but i just can't get the correct answer someone !

If you are just looking for a simplified answer then the answer is -7x - 3.

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

i don't see any

step-by-step explanation: