Sketch a typical level surface for the function.f(x, y, z) = x - y2 - z2
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use differentiation to determine whether the integral formula is correct.
dx = -4 cot 
+ C
A. No B. Yes
Mathematics
Graph the exponential function.f(x) = 4x 
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations. x - y + 4z = -53x + z = 0 x + 5y + z = 25
A. ? B. {(0, 5, -5)} C. {(0, 0, 5)} D. {(0, 5, 0)}
Mathematics
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.[1, ?)
A. increasing B. constant C. decreasing
Mathematics