Divide using synthetic division.
A. x4 + 3x3 + 9x2 + 27x + 81 + 
B. x4 + 3x3 + 3x2 + 3x + 3
C. x4 + 3x3 + 9x2 + 27x + 81
D. x4 - 3x3 + 9x2 - 27x + 81
Answer: C
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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 6 cosh t , y = 2 sinh t
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
For a circle of radius r, the area is given by A = 2
r.
Answer the following statement true (T) or false (F)
Solve the problem.An object is propelled vertically upward from the top of a 208-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. After how many seconds does the object reach its maximum height? Round to the nearest tenth of a second if necessary.
A. 9.4 sec B. 2 sec C. 1.4 sec D. 4 sec
Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 