a) The linear function is : P = 75000+2500t
b) Domain : [0,5]
Range : [75000,87500]
c) If the function P is graphed , then x-intercept implies that before 30 years since the model begun, the population of the town was 0 aand y-intercept implies that when the model begun then the population of the town was 75000.
d) If the function P is graphed, then the slope of the function interprets that the population of the town increases 2500 every year.
e) Though the model is for 5 years, we assume that it also continuous after 5 years.
Then, 75000+2500t = 100000
i.e., 2500t = 25000
i.e., t = 25000/2500
i.e., t = 10
Therefore, after 10 years, the output reached 100,000.
f) When t = 12, then P = 75000+2500*12
i.e., P = 75000+30000
i.e., P = 105000
Therefore, after 12 years, the output will reach 105,000.
Show which answer is for which, for the population question Pool of HW problems Linear Functions...
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