Find the specified minor and cofactor for the matrix A.M12 and A12 if A = 
A. M12 = 38 and A12 = 38
B. M12 = 38 and A12 = - 38
C. M12 = -16 and A12 = - 16
D. M12 = -16 and A12 = 16
Answer: B
You might also like to view...
Solve the problem.A rectangular sheet of perimeter 39 cm and dimensions x cm by y cm is to be rolled into a cylinder as shown in part (a) of the figure. What values of x and y give the largest volume?
A. x = 15 cm; y = 
cm
B. x = 14 cm; y = 
cm
C. x = 13 cm; y = 
cm
D. x = 12 cm; y = 
cm
Solve.An object that is vertically projected into the air has its height, in feet, above the ground given by s = -16t2 + v0t + s0,where s is the height, in feet, v0 is the initial velocity of the object, in feet per second, t is the time the object is in motion, in seconds, and s0 is the height, in feet, from which the object is projected. A ball is thrown straight up from a rooftop at an initial velocity of 86 feet per second from a height of 100 feet. The ball misses the rooftop on its way down and eventually strikes the ground below. How high above the ground will the ball be 4 seconds after being thrown?
A. 174 ft B. 188 ft C. 700 ft D. 686 ft
Solve the problem.A television offer advertised a set of knives for $20 down and $8 a month for 12 months. What is the total cost of the knives?
A. $96 B. $126 C. $116 D. $106
The graph of the function y = f(x) is given. On the same axes, sketch the graph of f-1(x). Use a dashed line for the inverse function.
A. 
B. 
C. 
D. 