A historian took a count of the number of people in a Gold Rush town for six years in the 1870's find a quadratic function that models the data as a function of x the number of years since 1870. Use the model to estimate the number of people in the town in 1878

Solution :

The model is :

Year                     1870      1871      1872     1873      1874     1875        1876

Population            365       384       393      392       381       360        329

It is given that a historian counted the number of people in the Gold Rush town for a 6 years staring from 1870.

Therefore the quadratic function which models a data as a function of the number of years from 1870 i.e. x is given by

And the number of people present the town of Gold Rush in the year 1878 can be found by using the model is 237.

no

step-by-step explanation:

2-7=-5

7-2=5

when you combing like terms for ech expression, 5 and -5. these numbers are not equal to each other.