### Home > PCT > Chapter Ch8 > Lesson 8.1.4 > Problem 8-61

8-61.

Michelle started walking at 3 ft/s and steadily increased her speed so that she was walking 6 ft/s after 300 seconds. Homework Help ✎

Sketch a straight-line graph showing Michelle’s velocity as a function of time.

Write the equation of this line.

Show that Michelle walked 198 feet in 1 minute and 1350 feet in 5 minutes.

How far did Michelle walk in

*T*seconds for 0 ≤*T*≤ 300?

Find the slope of the line and the *y*-intercept. Write the equation in *y* = *mx* + *b* form.

Find the area under the curve after 1 minute and then after 5 minutes.

198 feet