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