Determine the principal value without using a calculator.
2
A. -8
B. -8 or 8
C. 8
D. Not real number
Answer: C
Mathematics
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Find the x- and y-intercepts. Then graph the equation.
x + 
y = -8
A. 
; (0, -10)
B. 
; (0, 10)
C. 
; (0, -10)
D. 
; (0, 10)
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Find the amount that will be in an account, given the stated conditions.P = $1000, t = 8, r = 4% compounded annually
A. $368.57 B. $1423.31 C. $1315.93 D. $1368.57
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For the given function, find all asymptotes of the type indicated (if there are any)f(x) = 
, vertical
A. x = 1, x = -1 B. x = 5 C. x = -1 D. x = 1
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Solve the system of equations using matrices. Use Gaussian elimination with back-substitution. 5x - y + 7z= 77 2x + 8z= 64 7y + z= 41
A. {(8, 5, 6)} B. {(-8, 5, 16)} C. {(8, 6, 5)} D. {(-8, 16, 5)}
Mathematics