Solve.Suppose that the sales of a particular brand of appliance satisfy the relationship 
where S(x) represents the number of sales in year x, with x = 0 corresponding to 1990. For what years will sales be between 2700 and 3150?
A. Between 1996 and 1998
B. Between 1995 and 1998
C. Between 7 and 10
D. Between 1996 and 1999
Answer: D
Mathematics
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|-9|
A. < B. < C. =
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Solve the equations.3x2 = 39
A. ±
B. ±13
C. 14
D. 19.5
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Graph the quadratic function using its properties. Based on the graph determine the domain and range of the quadratic function.f(x) = -x2 + 8x - 7
A. domain: {x|-? < x < ?}
range: {y|y ? -9}
B. domain: {x|-? < x < ?}
range: {y|y ? 9}
C. domain: {x|-? < x < ?}
range: {y|y ? -9}
D. domain: {x|-? < x < ?}
range: {y|y ? 9}
Mathematics
From the list below find the expression, identical for the given.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics