Find the indicated vector.Let u = 
, v = 
. Find v - u.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.A ball is thrown upward with an initial velocity of 42 meters per second from a cliff that is 
high. The height of the ball is given by the quadratic equation 
where h is in meters and t is the time in seconds since the ball was thrown. Find the time that the ball will be 30 meters from the ground. Round your answer to the nearest tenth of a second.
A. 9.4 sec B. 9.5 sec C. 10.1 sec D. 10.0 sec
Mathematics
Find the domain of the function.f(x) = ln(-4 - x)
A. (4, ?) B. (-?, -4) C. (-4, ?) D. (-?, 4)
Mathematics
Complete the factoring.24x6 = 8x( )
A. 192x7 B. 3x5 C. 192x5 D. 3x
Mathematics
Simplify the expression.
-1/2
A. 
B. 
C. 
D. not a real number
Mathematics