Simplify.-
A. 10
B. -1
C. -10
D. 1
Answer: C
Mathematics
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Find the vector projv u.v = i + j + k, u = 12i + 3j + 4k
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
Mathematics
Find the gradient field F of the function f.f(x, y, z) = x3e8x + y4z8
A. F = (1 + x)x2e8xi + y3z8j + y4z7k B. F = (3 + 8x)x2e8xi + 4y3j + 8z7k C. F = (3 + 8x)x2e8xi + (x3e8x + 4y3z8)j + (x3e8x + 8y4z7)k D. F = (3 + 8x)x2e8xi + 4y3z8j + 8y4z7k
Mathematics
Fill in the blank with one of the words or phrases listed below. 
A(n) 
is a set of points extending indefinitely in two directions.
A. line segment B. ray C. transversal D. line
Mathematics
Solve the exponential equation.4x = 17
A. 4.250 B. 1.447 C. 2.044 D. 0.489
Mathematics