Find the domain of the function.F(z) = 
A. {z|z is any real number}
B. {z|z ? -5}
C. {z|z ? 0}
D. {z|z > -5}
Answer: A
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Find the Jacobian for the given transformation.
A. -9 B. 9 C. 21 D. -21
Find the reciprocal.
A. 
B. 
C. 
D. 
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.4x + 8y = 126x + 12y = 18
A. 
B. 
C. (3 - 2y, y)
D. No solution
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
x(x2 - 3)
A. 
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
B. 0, multiplicity 1, touches x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
C. 0, multiplicity 1, crosses x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
D. 0, multiplicity 1