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3 years ago

Part A. Solve -np - 80 < 60 for 'n'. Show your work.

1 answer:

5 0

Part A:
- np -80 <60
Adding 80 both sides
- np < 140
Dividing by -p both sides
n > -140/p
Part B:
2a - 5d =30
5d = 2a-30
d= (2a-30)/5

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3 years ago

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3 years ago

The exponential decay graph shows the expected depreciation for a new boat, sell g for $3500, over 10 years.

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Okay, the exponential function is
$g = a^{x}$
The start price of it in t=0 is 3,500, as we can see on the graph. Then, the function becomes
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$2000 = 3500^{x}$
Take natural logarithm:
$ln 2000 = ln 3500^{x}$
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$g = 3500^{1-0.035t}$
You can insert any t and see that it is correct, for example t=7

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3 years ago