After studying the population of Gotham City in the last decade of the twentieth

Question

After studying the population of Gotham City in the last decade of the twentieth century the population is modeled as

P(t) = 52.966 + 2.184t

where t is years after                 1990 and P is population in thousands

. P(0) represents the population in 1990 which was 52.966 thousand people.

Write a program that defines a function named                 population that predicts Gotham's population in the year provided as an input argument. The program must call the function and interacts with the user as                 follows

                Enter a year after 1990> 2015
                Predicted Gotham City population for 2010 (in thousands): 107.566

Explanation / Answer

#include<stdio.h>

float population(int a)

{float p=52.66+(a-1990)*2.184;

return p;}

int main()

{

int year;

float p;

printf("Enter a year after 1990 : ");

scanf("%d",&year);

p=population(year);

printf("Predicted Gotham City population for %d (in thousands): %f",year,p);

return 0;

}

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