Find the unit vector in the same direction as the given vector.v = 5i
A. u = i
B. u = 
i
C. u = 5i
D. u = 25i
Answer: A
Mathematics
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Determine the amplitude and range of the given function.y = - 
sin x
A. amplitude: 
; range: 
B. amplitude: 
; range: 
C. amplitude: - 
; range: 
D. amplitude: 
; range: 
Mathematics
Solve the inequality and graph the solution set.-5x + 2(x - 8) ? 9x - (3 + 3x) - 76
A. (-?, 7]
B. (7, ?)
C. (-?, 7)
D. [7, ?)
Mathematics
Find the equilibrium vector for the transition matrix.
A. [0.6 0.4] B. [0.77 0.33] C. [0.4 0.6] D. [0.33 0.77]
Mathematics
Use a right triangle to simplify.tan (arccos x)
A. 
B. 
C. 
D. 
Mathematics