Atmospheric pressure P in pounds per square inch is represented by the formula P = 14.7e-0.21x, where a is the number of miles above sea level. To the nearest foot, how high is the peak of a mountain with an atmospheric pressure of 8.436 pounds per square inch? (Hint: there are 5,280 feet in a mile) The mountain is Number feet high. Show your work and explain, in your own words, how you arrived at your