Determine whether f is continuous at c.f(x) = 
;c = -2
A. not continuous
B. continuous
Answer: B
Mathematics
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Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Mathematics
Solve the equation exactly in the complex number system.x3 - 6x2 + x - 6 = 0
A. x = ±1, x = 6 B. x = ±6, x = i C. x = 6, x = ±i D. x = -6, x = ±i
Mathematics
Use the quotient rule to simplify. Assume all variables represent positive real numbers.
A. 
B. 24
C. 1
D. 
Mathematics
Find the indicated term of the binomial expansion.(4x - 2y)9; term containing y6
A. -172,032xy6 B. 86,016x3y6 C. 344,064x3y6 D. -172,032x3y6
Mathematics