Solve the problem.Let p be the percentage of American households who have a DVD player at t years after 2000. A reasonable model is p = 4.85t + 37.2. In which years will less than 60% of people be unsatisfied with their job?
A. before 2020
B. before 2005
C. before 2012
D. after 1995
Answer: B
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Find the center and radius of the circle and sketch its graph.(x + 5)2 + (y + 2)2 = 7
A. (h, k) = (-5, -2), r = 
B. (h, k) = (-5, -2), r = 7
C. (h, k) = (-2, -5), r = 7
D. (h, k) = (-2, -5), r = 
Provide an appropriate response.Explain the error in the following: x2 + 2x - 15 = (x - 5)(x + 3)
What will be an ideal response?
Determine whether the functions f and g are inverses of each other.f(x) = x3 + 2; g(x) = 
- 2
A. Yes B. No
Solve the problem.Martin saves $3 on the first day of a 40-day period, $6 on the second day, and so on. For the next 40 days, he increases the amount saved by $6 each day (instead of $3 each day). How much will he have saved after 80 days?
A. $12,360 B. $12,240 C. $12,180 D. $12,120