Solve the equation symbolically.9 ln x - 2 = 9
A. x = e11/9
B. x = 
e11
C. x = 
ln 11
D. x = ln 
Answer: A
Mathematics
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Solve the problem.The length of a rectangular storage room is 6 feet longer than its width. If the area of the room is 72 square feet, find its dimensions.
A. 6 feet by 12 feet B. 5 feet by 11 feet C. 5 feet by 13 feet D. 7 feet by 13 feet
Mathematics
Solve the problem.A long-distance runner runs 2 miles south and then 4 miles east. How far is the runner from the starting point? Round to nearest tenth. 
A. 1.1 mi B. 1.5 mi C. 4.5 mi D. 2.5 mi
Mathematics
Graph the polynomial function. f(x) = 4x2 - x3
A. 
B. 
C. 
D. 
Mathematics
Use the given conditions to write an equation for the line in slope-intercept form.Passing through (5, 4) and perpendicular to y = 
x + 2
A. y = 4x - 24
B. y = - 4x + 24
C. y = - 
x - 6
D. y = - 4x - 24
Mathematics