Solve the problem.A computer is purchased for $4000. Its value each year is about 76% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function 
Find the value of the computer after 10 years.
A. $257.16
B. $195.44
C. $148.53
D. $30,400.00
Answer: A
Mathematics
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Write one or more inequalities that describe the set of points.The slab bounded by the planes x = -8 and x = 6 (planes included)
A. x ? -8 and x ? 6 B. x = -8 and x = 6 C. -? < y < ? and -? < z < ? D. -8 ? x ? 6
Mathematics
Find the curvature ? and radius of curvature R for the curve at the given point.y = cos x, 
A. ? = 
, R = 
B. ? = 
, R = 
C. ? = 
, R = 
D. k = 
, R = 
Mathematics
Solve the equation by the Square Root Method.x2 = 7
A. {
}
B. {7, -7}
C. no real solution
D. {
, -
}
Mathematics
Graph the function.f(x) = 3-x
A. 
B. 
C. 
D. 
Mathematics