Find the dot product v ? w.v = 2i + j - 2k and w = i + 2j - 2k
A. 8
B. -8
C. 4
D. 23
Answer: A
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y) = 
A. 
= 
; 
= 
B. 
= - 
; 
= - 
C. 
= 
; 
= - 
D. 
= 
; 
= - 
Mathematics
I = 60 mAPK, E = 30 VPK, and f = 1 KHz. Using i as the reference, find e 20 æsec after t0 when i leads e by 45ø.
a. e = 3.8 v b. e = 9.3 v c. e = -18.4 v d. e = -27.1 v e. e = -30.0 v
Mathematics
Simplify.
A. 22
B. 26
C. 
D. 
Mathematics
Write as a percent. Round the percent to the nearest tenth if necessary.
A. 26% B. 2.6% C. 1000% D. 13%
Mathematics