After 3 minutes, a submarine had descended to −320 feet. After 8 minutes, the submarine had descended to −420 feet. Assuming a l
inear function, write an equation in the form d(t)=mt+b that shows the depth, d(t), after t minutes
1 answer:
Answer:
Step-by-step explanation:
The depth function is:
After 3 minutes, a submarine had descended to −320 feet.
This means that . So
After 8 minutes, the submarine had descended to −420 feet.
This means that . So
From the first equation:
So
And
So
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Step-by-step explanation:
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