Find all points where the function is discontinuous.
A. None
B. x = 2
C. x = -2
D. x = -2, x = 2
Answer: D
Mathematics
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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
Obtain an equivalent system by performing the stated elementary operation on the system.Replace the fourth equation by the sum of itself and 2 times the second equation
A. 
B. 
C. 
D. 
Mathematics
Use a positive rational exponent to write the expression.
A. 
B. 8w3/4
C. 
D. 8w4/3
Mathematics
Find the difference.
A. 8 B. 9 C. -16 D. -8 E. 16
Mathematics