Graph the parabola.x2 = 9y
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use a trigonometric substitution to evaluate the integral.
A. 
tan-1 (2 ln x) + C
B. 
ln ( 1 + 4 ln2x) + C
C. 
tan-1 (2 ln x) + C
D. 
tan-1 (4 ln2 x) + C
Mathematics
Solve the application problem.The length of a room is 3 feet more than the width. The room has a floor area of 180 square feet. Find the dimensions of the room.
A. Length: 18 ft; Width: 15 ft B. Length: 12 ft; Width: 9 ft C. Length: 15 ft; Width: 12 ft D. Length: 16 ft; Width: 13 ft
Mathematics
Graph y = f (x). Be sure to include any vertical asymptote as a dashed line.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression or indicate that the root is not a real number.
A. 
B. 9
C. 6561
D. Not a real number
Mathematics