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Question 2 of 4 Suppose that in the country of Sudland, when the yearly rate of...

Question 2 of 4 Suppose that in the country of Sudland, when the yearly rate of economic growth fell from 3.0% to 1.5%, the yearly rate of increase in airborne pollutants fell from 6% to 5%. What is the average slope of a nonlinear curve between these points using the arc method? The average slope is 2. The average slope is -3/2. The average slope is 2/3. The average slope is 1/2.

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Answer #1

We have to first determine which one of the variable is dependent and which one is independent.

It has been provided that change in the rate of economic growth leads to change in the quantum of airborne pollutants.

This means that economic growth is independent variable and airborne pollutant is dependent variable.

Independent variable is always taken on X-axis. So, economic growth will be taken on X-axis.

The yearly rate of economic growth fell from 3% to 1.5%.

So,

Dependent variable is always taken on Y-axis. So, airborne pollutants will be taken on Y-axis.

The yearly rate of increase in airborne pollutants fell from 6% to 5%.

So,

Calculate the average slope -

The average slope is 2/3.

Hence, the correct answer is the option (3).

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