Solve the equation. Use the multiplication axiom.
a = 0
A. {1}
B. {-19}
C. {19}
D. {0}
Answer: D
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = (x7y2 - y5z3)e-z2
A. F = 7x6y2e-z2i + (2x7y - 5y4z3)e-z2j + (3 - 2z2)y5z2e-z2k B. F = 7x6y2e-z2i + (2x7y - 5y4z3)e-z2j + y2ze- z2[y3z(2z2 - 3) - 2x7]k C. F = 7x6i + (5y4 - 2y)j + 2z4e-z2k D. F = 7x6y2i + (5y4z3 - 2x7y)j + (2z2 - 3)y5z2k
Mathematics
Simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to solve the equation on the interval [0, 2?). Round to the nearest hundredth of a radian.cos 3x = - cos x
A. 0.79, 1.57, 2.36, 3.93, 4.71, 5.50 B. 0, 1.57, 3.14, 4.71 C. 1.57, 4.71 D. 0, 0.79, 2.36, 3.14, 3.93, 5.50
Mathematics
Determine the phase shift of the function.y = 4 sin (4?x + 3)
A. 3 units to the right
B. 
units to the left
C. 
units to the right
D. 3 units to the left
Mathematics