Simplify.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the angle between u and v in radians.u = 6i, v = 10i - 5j
A. 1.56 B. 1.11 C. 1.19 D. 0.46
Mathematics
Solve.A complex number z does not belong to the Mandelbrot set if any of the complex numbers in the sequence z, 
(z2 + z)2 + z, [(z2 + z)2 + z]2 + z, ... has modulus exceeding 2. Does 
belong to the Mandelbrot set?
A. Yes B. No
Mathematics
Find the zero of the linear function.f(x) = x + 6
A. 12 B. 0 C. -6 D. 6
Mathematics
Evaluate the square root.-
A. 
B. -19
C. 19
D. -20
Mathematics