Determine where the function is increasing and where it is decreasing.f(x) = -12x2 - 2x - 2
A. increasing on 
decreasing on 
B. increasing on 
decreasing on 
C. increasing on 
decreasing on 
D. decreasing on 
increasing on 
Answer: A
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Transform the equation to a form without an xy-term by a rotation of axes and then identify the curve.3x2 + 4xy = 36
A. 
+ 
= 1; ellipse
B. 
- 
= 1; hyperbola
C. 
- 
= 1; hyperbola
D. 
- 
= 1; hyperbola
Rationalize the denominator.
A. 
B. 
C. 
D. 
Solve the problem.There are 8 women running in a race. How many first, second, and third place possibilities can occur?
A. 56 B. 336 C. 24 D. 512
Solve the problem. Round your answer to the nearest tenth, when appropriate.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is given by 
, where s is in feet. How long will it take the ball to fall 
?
A. 2.7 sec B. 3.6 sec C. 1.9 sec D. 1.7 sec