Complete the square to write the function in the form 
f(x) = -x2 + x + 4
A. f(x) = - 
2 + 
B. f(x) = - 
2 + 
C. f(x) = - 
2 + 
D. f(x) = - 
2 + 
Answer: A
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Solve the problem. Round to the nearest tenth, if necessary.If an object is propelled upward from a height of 160 feet at an initial velocity of 144 feet per second, then its height h after t seconds is given by the equation 
After how many seconds does the object hit the ground? Round to the nearest tenth of a second, if necessary.
A. 5.0 sec B. 9.0 sec C. 10 sec D. 11 sec
Evaluate the expression.C(4, 0)
A. 4 B. 24 C. 1 D. 0
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 4 
+ 2xy 
A. 10x2y4
B. 10 xy4
C. 6xy5
D. 6x2y5
Find the probability of the following card hands from a 52-card deck. In poker, aces are either high or low. A bridge hand is made up of 13 cards.In bridge, all cards in one suit
A. 3.14 × 10-11 B. 1.57 × 10-12 C. 3.14 × 10-12 D. 6.30 × 10-12