From 1980 to 2002, the number of hospitals H in the United States and the average number of hospital beds Bin each hospital can be modeled by
H-58.7t + 7070 and B = 0.00661 -0.1926 - 0.174t + 196
where tis the number of years since 1980.
a. Write a model for the total number of hospital beds in U. S. hospitals.
b. According to the model, how many beds were in U. S. hospitals in 1995?
c. How does the model change if you want to find the number of hospital
beds in thousands? Explain your reasoning.