Question

Based on the graph of the regression model, which is true? The number of weeds is decreasing by a multiplicative rate. The number of weeds is increasing by a multiplicative rate. The number of weeds is decreasing by an additive rate. The number of weeds is increasing by an additive rate.

Answer 1

The number of weeds is decreasing by a multiplicative rate

Explanation:

Answer 2

Based on the graph, the number of weeds decreases exponentially with increasing day after the treatment. However the decrease is not linear which means it does not decrease by a constant rate. Therefore the number of weeds is decreasing by a multiplicative rate.