The diver is 15 feet below the surface of the water in 10 seconds after he entered the water and 90 feet below the water after 40 seconds. what is the rate of change?

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flonnorymsY26 flonnorymsY26 · Answer 1 · 2020-10-05T15:03:00+02:00

Answer:270 seconds

Step-by-step explanation:You have to Add to get your answer.I'll show you how I got 270:

15+15=30

30+10=40

40+10=50

50+90=140

140+90=230

230+40=270

Your answer is:270 seconds

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