The Equation is 25x-47500 as a function of the number of years since 1990.
To find equation for the number of students .
What is equation?
Statement that the values of two mathematical expressions are equal.
Given that:
The number of students in high school has been increasing linearly since 1990.
In 1997, 1125 students and in 2000, there were 1200 students.
Increase the number of students in 1997-2000
=1200-1125=75
In 3 years 75 student increased
In 1st years 25 student increased
number of students that will increasing in 1990=25
Equation=(x-1900)*25
Equation=25x-47500
where x is date/year
So, the Equation is 25x-47500 as a function of the number of years since 1990.
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