Find the order of the matrix product AB and the product BA, whenever the products exist.A is 4 x 2, B is 2 x 4.

A. AB is 2 x 2, BA is 4 x 4.
B. AB is 4 x 4, BA is nonexistent.
C. AB is nonexistent, BA is 2 x 2.
D. AB is 4 x 4, BA is 2 x 2.


Answer: D

Mathematics

You might also like to view...

Solve the problem.Find g(a - 1) when g(x) = 3x - 3.

A. 3a + 1
B. 3a - 3
C. a - 3
D. 3a - 6

Mathematics

Rationalize the denominator.

A.
B.
C.
D.

Mathematics

Evaluate the function at x = 1.8. Round to 3 decimal places.

A) 2.700 B) 2.075 C) 2.250 D) 5.203 E) 2.415

Mathematics

Give the equation of the horizontal asymptote, if any, of the function.R(x) = 

A. y = 0 B. y = -3 C. no horizontal asymptotes D. y = -11, y = 2

Mathematics