Solve the problem.In Country X, estimates of future welfare expenditures in billions of dollars can be modeled by 
where 
Estimate the years when welfare expenditures will range from 87 to 126 billion dollars.
A. Between 2017 and 2022
B. Between 2028 and 2029
C. After 2028
D. Between 2019 and 2020
Answer: B
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Use addition, subtraction, or multiplication to solve the problem.There are 33 computers in the keyboarding room. If the room is available for classes 7 periods of the day, what is the maximum number of students that can take keyboarding?
A. 231 students B. 248 students C. 40 students D. 26 students
Give the equations of any horizontal asymptotes.f(x) = 
A. none B. y = -8 C. y = 8 D. y = 1
Find the whole.89 dogs is 90% of what number of dogs?
A. 99 dogs B. 10 dogs C. 80 dogs D. 990 dogs
Solve. Remember to insert units when writing your answer.A chemist mistakenly added 64 cl of water to a mixture instead of 35 ml. Find the excess amount of water.
A. 29 ml B. 605 ml C. 63.65 ml D. 6365 ml