Find the indicated vector.Let u = 
, v = 
. Find u + v.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Given matrices A and B, find the indicated matrix if possible.A = 
, B = 
Find AB.
A. AB is not defined.
B. 
C. 
D. 
Mathematics
Solve the problem.A triangular metal frame is being designed as shown below. Express the angle A as a function of x and evaluate dA/dx for x = 6 cm.
A. 0.04 rad/cm B. 0.6 rad/cm C. 1 rad/cm D. 0.4 rad/cm
Mathematics
Determine if A ? B or A ? B.A = {c, a, n, d, i, d, a, t, e}B = {a, c, d, e, i, t, a, n, d}
A. A ? B B. A ? B
Mathematics
Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s, t), y = h(r, s, t), z = k(r, s, t)
A. 
= 
+ 
+ 
B. 
= 
+ 
+ 
C. 
= 
+ 
+ 
D. 
= 
+ 
Mathematics