If possible, find the matrix product of AB.A = 
; B =
A. Undefined
B. AB = 
C. AB = 
D. AB = 
Answer: B
You might also like to view...
Find the sum of the series as a function of x.
A. 
B. 
C. - 
D. - 
Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form. x - y + 3z = -13x + z = -2 x + 4y + z = -22
A. (-2, -5, 0) B. No solution C. (0, -5, -2) D. (-2, 0, -5)
Solve the problem.The population P of a predator mammal depends upon the number x of a smaller animal that is its primary food source. The population s of the smaller animal depends upon the amount a of a certain plant that is its primary food source. If 
and 
what is the relationship between the predator mammal and the plant food source?
A. P(s(a)) = 12a2 + 24a + 19 B. P(s(a)) = 6a + 9 C. P(s(a)) = 12a2 + 12a + 19 D. P(s(a)) = 4a2 + 8a + 11
Find the value of the expression using the given values.|6x + 4y|x = 4, y = -1
A. 28 B. 10 C. 20 D. 22