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16 Nov 2021

Given information

Two variables yield of a crop and amount of fertilizer.

Step-by-step explanation

Step 1.

On Cartesian plane, in two dimension, there are two variables x and y.

The independent variable is x and dependent variable is y.

It is read as y as a function of x and denoted as .

When increase in independent variable value cause an increase  in dependent variable value it is known as increasing function.

When increase in independent variable value cause a decrease  in dependent variable value it is known as decreasing function.

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