If f(x) = 16x – 30 and g(x) = 14x – 6, for which value of x does (f – g)(x) = 0? –18 –12 12 18
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Answer:
<h2>They should make 8 small ones and 12 large ones.</h2><h2>$260 they will make in total.</h2>Step-by-step explanation:
They want to make as much money as possible.
Small bird house gives them $10 and large birdhouse give them $15.
Avery has time to decorate 12 birdhouse of either size.
Hence, to maximize the earning, Avery should build 12 large ones.
Sam can make any of the combination below in 24 hours.
4 Large and 1 small bird house, which will make
3 Large and 3 small bird house, which will make
2 Large and 4 small bird house, it will gain
1 Large and 6 small bird house, it will make
8 small bird house, which will gain
The profit will be maximize if Sam build 8 small bird houses.
Thus, they will make .
Since represents the number of years passed since 2005, in 2005 we have
, and in 2015 we have
. Let
represent the profits of Jones and Davis, respectively, at year y.
We have
Choosing the best company somehow depends on how much time you can wait: Jones start with a higher value (10 vs 8), but it has a descending trend, because the multiplicative factor goes to zero as t grows.
On the other hand, Davis starts with a smaller value, but tends to infinity as t grows.
So, if you need an immediate result, the most valuable company is Jones, otherwise you're certain can Davis will eventually become bigger.
More precisely, we have
So, after 11 years, Davis will overcome Jones.