Find the equation of the tangent plane (or tangent "hyperplane" for a function of three variables) at the given point p.
, p = 
A. 20x + 16y - z = 34
B. 20x + 16y - z = 28
C. 2x + y + 28z = 1
D. 2x + y + 28z = 31
Answer: B
Mathematics
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Find all the rational zeros of the function: x 3 – 18x 2 + 108x – 216.
a. –6 b. 0, 6 c. 6 d. ±6
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Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Mathematics
Match the description with the correct symbolic expression.a function that is not linear
A. f(x) = 6x + 4 B. f(x) = x4 - 9 C. f(x) = -2 D. f(x) = -9x + 6
Mathematics