Solve the matrix equation.
= 
A. x = -2, y = 3, z = 5
B. x = -2, y = -3, z = 1
C. x = 2, y = 3, z = 5
D. x = 2, y = -3, z = 1
Answer: D
Mathematics
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Find the vertex of the quadratic equation's graph and determine whether the graph opens up or down.y = -x2 + 4x - 12
A. 
, down
B. 
, up
C. 
, up
D. 
, down
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Find the most general antiderivative.
dx
A. 
e2x + 8e-x + C
B. 
e2x + 8e-x + C
C. 
e2x + 
e-x + C
D. 
e2x - 8e-x + C
Mathematics
Use natural logarithms to solve the exponential equation symbolically.4(7 - 3x) = 
A. x = 
- 7
B. x = 
- 
C. x = 
+ 
D. x = - 
+ 21
Mathematics
Factor completely. If the polynomial is prime, state this.x2 + 
x + 
A. Prime
B. 
2
C. x
D. 
2
Mathematics