Plot the parametric surface over the indicated domain.r(u, v) = u2sin vi + ucos vj + 4uk; 0 ? u ? 2?, 0 ? v ? 2?
A. 
B. 
C. 
D. 
Answer: C
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Check to see if the given number is a solution for the equation.x3 + 6x2 = - 8(x2 + 6x); check x = 0
A. 0 is a solution. B. 0 is not a solution.
Solve the problem using the elimination method.A salesman sold $250 more than the rest of the sales staff. If the sales total for the day was $1300, how much did the rest of the sales staff sell?
A. $1050 B. $525 C. $650 D. $775
Give the domain and range of the relation.
A. domain: (-5, ?); range: (5, ?) B. domain: (-?, ?); range: (-?, ?) C. domain: [-5, ?); range: (-?, ?) D. domain: (-?, ?); range: [-5, ?)
Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.3x - y - 2 = 0-6x +2y + 4 = 0
A. ? B. {(x, 2 - 3x)} C. {(x, 3x - 2)} D. {(x, 6x - 2)}