Solve the radical equation.
= -9
A. {76}
B. ?
C. {81}
D. {86}
Answer: B
Mathematics
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Solve the problem.For the function f(x, y) = cos (6x2 + y2 - 6) at the point p = 
, find the unit vector for which f decreases most rapidly.
A. 
i + 
j
B. 
i + 
j
C. 
i + 
j
D. 
i + 
j
Mathematics
Solve the equation and check your solution.
= 5 + y
A. y = 2 B. y = 8 C. y = -2 D. y = -8
Mathematics
Write the number as a decimal.5.378 × 105
A. 53,780 B. 268.9 C. 537,800 D. 5,378,000
Mathematics
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.3
A. 3(cos 90° + i sin 90°) B. 3(cos 270° + i sin 270°) C. 3(cos 0° + i sin 0°) D. 3(cos 180° + i sin 180°)
Mathematics