Write the complex number in rectangular form.3(cos 60° + i sin 60°)
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ i
Answer: A
Mathematics
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Evaluate the surface integral of the function g over the surface S.G(x,y,z) = x2 + y2 + z2; S is the surface of the cube formed from the coordinate planes and the planes 
and 
A. 80
B. 
C. 112
D. 
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Graph the function.y = 4-x 
A. 
B. 
C. 
D. 
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Evaluate.sin2 45° + cos2 45°
A. 0
B. 
C. 2
D. 1
Mathematics
Graph the set of numbers given in interval notation. Then write an inequality statement in x describing the numbers graphed.[-2, ?)
A. x ? -2
B. x ? -2
C. x > -2
D. x < -2
Mathematics