Pre-Calculus, 9th edition
119

 PAGE: 295 SET: Exercises PROBLEM: 119

The Pressure function is .

Where the height  is measured in kilometers.

(a)

Find the height of aircraft  , when the atmospheric pressure is millimeters.

Substitute in .

From the definition   if and only if .

The height of aircraft is kilometers.

(b)

Find the height of mountain  , when the atmospheric pressure is millimeters.

Substitute in .

From the definition   if and only if .

The height of mountain is kilometers.

(a) The height of aircraft is kilometers.

(b)The height of mountain is kilometers.

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