Sketch a typical level surface for the function.f(x, y, z) = cos (x2 + y2 + z2)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Translate to a proportion. Do not solve.14% of what is 40?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Solve.x2 = 
A. 
B. ± 
C. 
D. ± 
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = t - 3, y = t2 + 5, for t in (-?, ?)
A. y = x2 + 14 B. y = x2 - 6x - 14 C. y = x2 + 6x + 14 D. y = x2 - 14
Mathematics
Find the domain of the polynomial or rational function. Write your answer in set-builder notation.f(x) = 
A. {x|x ? -14, 4, 0}
B. {x|x ? 4, 14, 0}
C. 
D. 
Mathematics