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Nastasia [14]
3 years ago
13

The expression - 370 + 15z represents a submarine that began at a depth of 370 feet below sea leve

Mathematics
1 answer:
Aleks [24]3 years ago
5 0

Answer:

<em>The depth of the submarine was 295 feet</em>

Step-by-step explanation:

<u>Function Modeling</u>

The following expression models the depth of a submarine that began at -370 m and ascended at 15 ft/minute:

d = -370 + 15z

Where z is the time in minutes.

We are required to find the depth of the submarine at t=5 minutes. Substituting t=5 into the function model:

d = -370 + 15(5)

d = -370 + 75

d = -295 feet

The depth of the submarine was 295 feet

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