Find the product of the given complex number and its conjugate.8
(cos (40°) + i sin (40°))
A. 128 (cos (40°) + i sin (-40°))
B. 8
C. 128
D. 8
(cos (40°) + i sin (-40°))
Answer: C
Mathematics
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Find the axis of symmetry of the graph of the parabola.f(x) = -(x + 1)2 - 5
A. x = 2 B. x = 0 C. x = -1 D. x = -5
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Determine whether the function is one-to-one.
A. Yes B. No
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Round the decimal to the indicated place value.-19.783
hundredth
A. -20 B. -19.78 C. -19.780 D. -19.8
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Graph the equation.
- 
= 1
A. 
B. 
C. 
D. 
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