Solve the problem.Evaluate 
at (u, v) = (3, 2) for the function w(x, y, z) = xz + yz - z2; x = uv, y = uv, z = u.
A. 24
B. 18
C. -6
D. 0
Answer: B
Mathematics
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Find the domain and range of the function.f(x) = -3 - x2
A. D: (-?, ?), R: (-?, ?) B. D: (-?, -3], R: (-?, ?) C. D: (-?, ?), R: [-3, ?) D. D: (-?, ?), R: (-?, -3]
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = t + 4, y = t2
A. y = x2 - 8x + 16
B. y = 
C. y = 
+ x + 4
D. y = x2 + 16
Mathematics
Insert <, >, or = between the pair of numbers to form a true statement.
7.563
A. < B. = C. >
Mathematics
Solve the problem.One number is five times larger than another. The difference of the numbers is 100. Find the numbers.
A. 23 and 127 B. 23 and 115 C. 25 and 125 D. 122 and 22
Mathematics