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Answer:

The rate of change is 400

The altitude increases by 400 feet every minute.

Explanation:

We Know

x = the number of minutes the balloon rises.

y = altitude of the balloon.

To find the Rate of change (slope), we can use rise/run or (y2 - y1) / (x2 - x1)

Pick 2 points (0, 150) (1, 550)

We see the y increase by 400 and the x increase by 1, so

The rate of change is 400

The altitude increases by 400 feet every minute.

User Jason Fingar
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