Find the equation for the level surface of the function through the given point.f(x, y, z) = 
, (7, 2, 4)
A. The level surfaces cannot be determined.
B. 
= 
C. 
= 
D. 
= 
Answer: D
Mathematics
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Use the coordinates of the indicated points to find the slope of the line.
A. 
B. 0
C. -3
D. undefined
Mathematics
Simplify the power of i.
A. i B. 1 C. -1 D. -i
Mathematics
Use the discriminant to determine whether the quadratic equation has two unequal real solutions, a repeated real solution, or no real solution without solving the equation.x2 - 4x + 4 = 0
A. repeated real solution B. two unequal real solutions C. no real solution
Mathematics
Simplify.10
A. 90
B. 19
C. 9
D. 10
Mathematics