Write the inequality in interval notation.x ? -5
A. (-?, -5)
B. (-?, -5]
C. (-5, ?)
D. [-5, ?)
Answer: B
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The following table shows, for females ages 55 to 64, the number of heart disease deaths H per 100,000 at time t years after 2000.
t 0 3 4 7 H 159 147 138 123?
A: Use the average rate of change from 2004 to 2007 to estimate the value of 
for 2004. Round your answer to two decimal places.B: Explain in practical terms the meaning of the number you found in part A. Round your result to the nearest whole number.C: Use your answer from part A to estimate the number heart disease deaths per 100,000 females in 2006. Round your result to the nearest whole number.
What will be an ideal response?
Factor using substitution.t4 - 50t2 + 625
A. (t - 5)4 B. (t - 5)2(t + 5)2 C. t2(t - 25)2 D. (t2 + 25)(t - 5)(t + 5)
?After t years, the value of a car that originally cost $18,000 depreciates so that each year it is worth 
of its value for the previous year. Find a model for V(t), the value of the car after t years.
A. ?
B. ?
C. ?
D. ?
E. ?
A hotel has 150 rooms. This hotel is offering rooms that normally go for $149 per night for only $119 a night. How many dollars would a traveler save if he stays in such a room for 3 nights? ?
A. $90 B. $30 C. $447 D. $80