Simplify the expression.(x2)-6
A. -6x2
B. -6x12
C. - x12
D. 
Answer: D
Mathematics
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Sketch the level curve z = k for the indicated values of k.z = 
, k = -4, -1, 0, 1, 4
A. 
B. 
C. 
D. 
Mathematics
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = 
10
A. y = u10; u = 6x2 - 
- x; 
= 10
9
B. y = u10; u = 6x2 - 
- x; 
= 10
9
C. y = u10; u = 6x2 - 
- x; 
= 10
9
D. y = 6u2 - 
- u; u = x10; 
= 12x20 - 
- x10
Mathematics
Solve.
- 
= 8
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 
A. {0, 4} B. {-2, -4} C. {0, 16} D. ?
Mathematics