Find ?f.f(x, y, z) = z sin (x + y + z)
A. F = -cos xi - cos yj + (sin z - z cos z)k
B. F = z cos(x + y + z)i + z cos(x + y +z)j + (sin(x + y + z) + z cos(x + y + z))k
C. F = -z cos(x + y + z)i - z cos(x + y +z)j + (sin(x + y + z) - z cos(x + y + z))k
D. F = cos xi + cos yj + (sin z + z cos z)k
Answer: B
Mathematics
You might also like to view...
Write a matrix equation equivalent to the system of equations. 7x + 9y + 2z = 90 4x + 9y + 6z = 62 7x + 3y + 9z = 59
A.
| ? |
= 
B.
=
C.
= 
D.
=
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = -
A. 
B. 
C. 
D. 
Mathematics
Solve.Find the reciprocal of - 
.
A. - 5
B. 
C. 1
D. 5
Mathematics
Compute.
A. -450
B. 5
C. -5
D. - 
Mathematics