Solve the problem.A projectile is thrown upward so that its distance above the ground after t sec is given by 
After how many seconds does it reach its maximum height?
A. 10 sec
B. 20 sec
C. 40 sec
D. 30 sec
Answer: B
Mathematics
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Solve the equation using the quadratic formula.3x2 = -8x - 3
A. 
B. 
C. 
D. 
Mathematics
Find the Taylor polynomial of order 3 centered at 0.f(x) = 
A. p3(x) = 
- 
+ 
- 
B. p3(x) = 
+ 
+ 
+ 
C. p3(x) = 
+ 
+ 
+ 
D. p3(x) = 
- 
+ 
- 
Mathematics
Solve the problem.From a point on a straight road, two cars are driven in opposite directions, one at 22 miles per hour and the other at 72 miles per hour. In how many hours will they be 376 miles apart?
A. 3 hours B. 4 hours C. Not enough information D. 5 hours
Mathematics
Find the equation that the given graph represents.
A. f(x) = -x3 + 20x B. f(x) = x3 - 4x2 + 20x C. f(x) = -x3 + 4x2 - 9 D. f(x) = x3 + 9x
Mathematics