A) If f(x) = 3x – R, find f-'(x)
b) Find f-|(13)

i think is 3 and 6. this took me 10 min to think.hope to and hope that my answer is brainliest.(follow me )

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

ion

step-by-step explanation:

ion ion ion ion ion ion ion ion ion ion ion