Find the product of the given complex number and its conjugate.2
(cos (75°) + i sin (75°))
A. 8 (cos (75°) + i sin (-75°))
B. 8
C. 2
(cos (75°) + i sin (-75°))
D. 2
Answer: B
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Find the infinite sum accurate to three decimal places.
A. 0.010 B. -0.010 C. -0.007 D. 0.007
Solve.Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 4 hours. How long will it take them to do the job if they work together?
A. 
hr
B. 
hr
C. 12 hr
D. 4 hr
Graph f(x). State the domain, range, and horizontal asymptote of the function.f(x) = 
x + 1
A. Domain: (-?, ?), range: (-1, ?)
Horizontal asymptote: y = -1
B. Domain: (-?, ?), range: (1, ?)
Horizontal asymptote: y = 1
C. Domain: (-?, ?), range: (0, ?)
Horizontal asymptote: y = 0
D. Domain: (-?, ?), range: (0, ?)
Horizontal asymptote: y = 0
Find the sum or difference and reduce to lowest terms.
- 
- 
A. 
B. 
C. 
D. 