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goblinko [34]
3 years ago
6

A Population of spiders a lab, p(x), can be modeled by the function p(x) =400(1.012)^x, where X represents the number of days si

nce population was first counted. When will the population be 550?
Mathematics
1 answer:
iren [92.7K]3 years ago
4 0
<h2>Population becomes 550 in 27 days</h2>

Step-by-step explanation:

The population of spiders in a lab is modeled by the function P(x)=400(1.012)^{x}, where x represents the number of days since population was first counted.

   Consider that after t days, the population of spiders has grown to 550. We need to find such t.

550=400(1.012)^{t}

(1.012)^{x}=\frac{550}{400}=1.375

Applying logarithm on both sides,

xlog_{10}(1.012)=log_{10}(1.375)

x=\frac{log_{10}(1.375)}{log_{10}(1.012)}=26.6967

∴ It takes about 27 days for the population to become 550.

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