Solve the problem.The value, in dollars, of a copy machine is given by the function 
where x is the year and 
What was the value of the copy machine in 2008?
A. $-2400
B. $-1620
C. $-2010
D. $-1230
Answer: B
Mathematics
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Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. If an object falls 78.4 meters before it hits the ground, find the time it took for the object to fall.
A. 16 sec B. 5 sec C. 7 sec D. 4 sec
Mathematics
Multiply and simplify. Assume that all variables represent positive real numbers.
? 
A. 4xy8
B. 4xy4
C. 4y4
D. 2xy4
Mathematics
Solve the problem.Let A = 
and B =
. Find A + B.
A. 
B. 
C. 
D. 
Mathematics
Graph the equation.f(x) = - 
x
A. 
B. 
C. 
D. 
Mathematics