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 1580 and 2720?
A. Between 1991 and 1997
B. Between 1992 and 1997
C. Between 1992 and 1998
D. Between 3 and 9
Answer: C
Mathematics
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Evaluate the integral.
A. -14 B. 7 C. 14 D. -7
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.-3
- 8
A. 10
B. -4
C. 5
D. -11
Mathematics
Write the equation in standard form.5x2 + 10y2 - 50 = 0
A. 
+ 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Mathematics
Find the y-intercept and any x-intercepts.y = x2 + 4
A. y-intercept (4, 0), no x-intercepts B. y-intercept (0, 4), no x-intercepts C. y-intercept (0, 4), x-intercept (4, 0) D. x-intercept (4, 0), no y-intercepts
Mathematics