Add or subtract.- 7
+ 10
A. 2
B. 16
C. 2
D. 17
Answer: C
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Find the gradient field F of the function f.f(x, y, z) = (x6y2 - y9z3)e-z2
A. F = 6x5i + (9y8 - 2y)j + 2z4e-z2k B. F = 6x5y2i + (9y8z3 - 2x6y)j + (2z2 - 3)y9z2k C. F = 6x5y2e-z2i + (2x6y - 9y8z3)e-z2j + y2ze- z2[y7z(2z2 - 3) - 2x6]k D. F = 6x5y2e-z2i + (2x6y - 9y8z3)e-z2j + (3 - 2z2)y9z2e-z2k
Decide whether the statement is true or false.If the coordinates of one endpoint of a line segment are (a, b) and the coordinates of the midpoint of the segment are (p, q), then the coordinates of the other endpoint are (2p-a, 2q-b).
A. True B. False
Use division to express the fraction in the form quotient + 
.
A. 3 + 
B. 3 + 
C. 7 + 
D. 3x + 
Perform the indicated operation. Write the result in standard form.(-5 + 4i) - (-5 + 2i) + (5 - 7i)
A. 5 - 1i B. 5 - 5i C. -5 - 1i D. -5 + 9i