# Rate of Change

posted by .

There is a question on my homework that asks use d=1032-200t to the approximate the distance in miles and time in hours of a pilot from her destination. find the distances for the time values given in 2a and 2b

2a:t=1.5 hours
2b:t=4.8 hours

how do i solve this?

<<how do i solve this? >>

Take the equation for distance from destination vs. time,
d=1032-200t,
and substitute 1.5 hours for t.
You get d = 1032 - 300 = 732 miles
d is in miles if t is in hours.

Do the 2b case similarly

## Similar Questions

1. ### Algebra 1

2 friends are 60 miles apart. They decide to ride thier bicycles to meet each other. Sally starts from the college and heads east,riding at a rate of 21 mph.At the same time Teresa starts from the river and heads west, riding at a …
2. ### math

it took cindy 2h to bike from abbott to benson at a constant speed. the return trip took only 1.5h because she increased her speed by 6km/h. how far apart are abbott and benson?
3. ### math

explain how to write 20 miles divided by 4 hours as a unit rate If that's distance traveled per unit of time it would be 20miles per 4 hrs but since it's usually compared per hour... 20/4= 5 miles so every hour you travel 5 miles and …
4. ### math

Mike makees the following table of the distances he travels during the first day of the trip. A suppose Mike continues riding at this rate. Write an equation for the distance mike travles after t hours. B sketch a graph of the equation. …
5. ### math

can your help me with my homework question?

Given the numerical values shown for the function f(x), find approximate values for the derivative of f(x) at each of the x-values given. x= 0 1 2 3 4 5 6 7 8 f(x)= 13 15 16 17 17 14 11 9 7 f'(x)= 2 1 1 1 0 -3 -3 -2 -2 What seems to …
7. ### math

The distance d, in miles, a small plane is from its final destination is given by d(t)=250-100t, where t is the time, in hours, remaining for the flight. Find and discuss the meaning of the intercepts of the graph of the function.
8. ### Math

Greg rode his bicycle at a constant speed of 20 miles per hour. Plot points on the graph to represents the distances Greg rode after 1, 2, 3, and 4 hours (1 hour= 20 miles, 2 hours= 40 miles, 3 hours= 60 miles, 4 hours= 80 hours) Then …
9. ### Math

Greg rode his bicycle at a constant speed of 20 miles per hour. Plot points on the graph to present the distances Greg rode after 1,2,3, and 4 hours (1 hour = 20 miles, 2 hours = 40, 3 hours = 60, 4 hours = 80 miles). Write an equation …
10. ### Algebra

The table below represents the distance of an airplane from its destination as a function of time: Time (hours) x Distance (miles) y 0 2,700 1 2,160 2 1,620 3 1,080 4 540 Part A: What is the y-intercept of the function, and what does …

More Similar Questions