Select the augmented matrix for the system of linear equations.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
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Plot the two real numbers on the real number line. Then place the appropriate inequality symbol (< or >) between them.
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?
A. 
?
B.
C.
D.
E.
Find all the second order partial derivatives of the given function.f(x, y) = ln (x2y - x)
A. 
= 
; 
= 
; 
= 
= 
B. 
= 
; 
= - 
; 
= 
= - 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
; 
= - 
; 
= 
= - 
Convert as indicated. If necessary, round to two decimal places.11 ounces to grams
A. 4.95 g B. 311.85 g C. 0.44 g D. 24.2 g
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log 
A. log (3x4
) - log (10(x + 3)2)
B. log 3 + log x4 + log (3 - x)1/5 - log 10 - log (x + 3)2
C. log 3 + 4log x + 
log (3 - x) - log 10 + 2log (x + 3)
D. log 3 + 4log x + 
log (3 - x) - log 10 - 2log (x + 3)