### Home > CALC > Chapter 7 > Lesson 7.2.1 > Problem 7-64

7-64.

The velocity of a plane flying from San Francisco is:

where is measured in hours and

*in miles per hour. Find the average velocity of the plane between the 1st and 4th hours.*

You are given a velocity function and you want to find average velocity.

Should you use 'average area under the curve' or 'slope of the secant'?