Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the equation for the level surface of the function through the given point.f(x, y, z) = e(x2 + y2 - z), (4, 3, 2)
A. ln(x2 + y2 - z) = 23 B. x2 + y2 - z = e23 C. x2 + y2 - z = ln(23) D. e(x2 + y2 - z) = ln(23)
Mathematics
Find the limit.
A. 4 B. 1 C. 0 D. -?
Mathematics
Use the information below to determine the cardinality of the set. U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}n(A' ? B ? C)
A. 0 B. 2 C. 1 D. 3
Mathematics
Find the product.(10y2 - 7)(10y2 + 7)
A. 100y4 - 49 B. 100y4 - 140y2 + 140 C. 100y2 + 49 D. 10y2 - 49
Mathematics