Rewrite the expression without absolute value bars.
A. 0
B. - 1
C. 
D. 1
Answer: D
Mathematics
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Rewrite the expression in terms of exponentials and simplify the results.ln 
+ ln (cosh 9x + sinh 9x)
A. 11x B. 7 C. ln (e9x - e-2x) D. 7x
Mathematics
Write each expression using the LCD as the denominator.
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
D. 
, 
, 
Mathematics
Find the directrices of the ellipse.9x2 + 4y2 = 36
A. y = ± 
B. y = ± 
C. x = ± 
D. x = ± 
Mathematics
Divide.15.58 ÷ 8.2
A. 19 B. 1.9 C. 0.19 D. 2.9
Mathematics