Question 289888
How about taking some responsibility for your troubles?
Do you have  a book? Is everyone failing?
Maybe you hang around with the wrong crowd!


The next steps in the problem is to graph it.
You did a now do b and c
a. Write an equation for the pressure y (in pounds/sq. inch) at height x (in miles) above sea level.
b. Use a graph of the function from Exercise 1 to determine at what height the atmospheric pressure is half of what it is at sea level.
c. Find out how many more miles above the height from Exercise 2 the atmospheric pressure will be halved again.
BTW is the equation (ab)^x or just a*(b^x)
You treated it as (ab)^x

y=(14.7)*(.18)^x
get a value for x first then raise .18 to that power
What is the pressure at height 0 : 14.7
When is the pressure 7.35
7.35=14.7*.18^x
.5=.18^x
x=abt .4
4/10 of a mile