I have tried putting: -1.666 and -1.6 and -1.7 because I divided (500/300) ?! Pr

Question

I have tried putting: -1.666 and -1.6 and -1.7 because I divided (500/300) ?!

Productivity and yield of cultivated crops are often reduced by insect pests. The following graph shows the relationship between the yield of a certain crop, f(x), as a function of the density of aphids x. (Aphids are small insects that suck plant juices.) Here, f(x) is measured in kilograms per 4000 square meters, and x is measured in hundreds of aphids per bean stem. By computing the slopes of the respective tangent lines, estimate the rate of change of the crop yield with respect to the density of aphids when that density is 200 aphids per bean stem and when it is 800 aphids per bean stem 200 aphids per bean stem 800 aphids per bean stem -1.666x -0.5 kg per 4000 m2 per aphid per bean stem kg per 4000 m2 per aphid per bean stem 1000 300 500 500- 300 150 Ti 200 400 600 800 1000 1200 1400 1600* Aphids per beam stem

Explanation / Answer

Hi

Your answer is correct.

Try rounding ti 2/3 decimal places.

Like -1.67 or -1.667.

It should work like this

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