Perform the matrix operation.
- 
=
A. 
B. 
C. 
D. Not defined
Answer: D
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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°))
Factor out a factor with a negative coefficient.-11x + 132
A. 11(x + 12) B. 11(x + 132) C. -11(x - 12) D. -11x(-11)
Determine the equation of the line described. Put the answer in the slope-intercept form, if possible.Through (8, -8), perpendicular to -8x + 3y = -88
A. y = 
x + 5
B. y = - 
x
C. y = - 
x - 5
D. y = - 
x - 40
Answer the question.The table below gives the actual values of the population of a small island in the Pacific Ocean. The population is modeled by the equation 
where 
represents the population of the island in 1990.
For the point displayed in the calculator screen above, how does the model compare to the actual?
A. The display indicates that for the year 1993, the model gives a value of about 87 people, which is slightly less than the actual value of 88 people. B. The display indicates that for the year 1990, the model gives a value of 75.2 people, which is slightly more than the actual value of 75 people. C. The display indicates that for the year 1995, the model gives a value of about 88 people, which is slightly more than the actual value of 87 people. D. The display indicates that for the year 1993, the model gives a value of about 88 people, which is slightly more than the actual value of 87 people.