Solve the equation for y in terms of x.ln y + 2 ln x = 1 + ln 9
A. y = 10 - 2x
B. y = e + 9 - 2x
C. y = 
D. y = 
Answer: D
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Solve the problem.Your favorite stock opened the day at $30 per share and ended the day at $23 per share. Let x represent the amount of your gain or loss per share. An equation that represents the situation is 
Solve for x.
A. x = 7; gained $7 per share B. x = 7; lost $7 per share C. x = -7; gained $7 per share D. x = -7; lost $7 per share
Solve for the variable.
y + 
= - 
y - 
A. y = - 
B. y = - 
C. y = 
D. y = - 
Solve the problem.A manufacturer of medical supplies produces 1-liter bags of saline solution. The cost in thousands of dollars to produce x thousand bags of saline is 
. Find the cost to produce 5000 units.
A. $33,500 B. $14,500 C. $14.5 million D. $61,500
Find the absolute value.
A. 1 B. 0 C. 2 D. -2