Solve the equation.ln 2x + ln 6x = ln 13
A. 1
B. 0
C. 
1/2
D. 
Answer: C
Mathematics
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Use Cramer's rule to solve the system. 3x - 2y + 2z - w = 2 4x + y + z + 6w = 8-3x + 2y - 2z + w = 5 5x + 3z - 2w = 1
A. 
B. 
C. 
D. Can't use Cramer's rule, D = 0
Mathematics
Find the domain and range for the indicated function.f(x) = 
,
g(x) = 
;
g - f
A. D: x ? 3
R: y ? -
B. D: x ? 3
R: y ? 0
C. D: x ? 3
R: y ? 
D. D: x ? -3
R: y ? -
Mathematics
Simplify using order of operations.5(-8) + (-4)(-4)
A. 176 B. -24 C. -176 D. 24
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
? 
A. 
B. 
C. 6
D. 6
Mathematics