Question

Jason leaves Detroit at 9:00 PM and drives at a constant speed west along I-94. He passes Ann Arbor, 40 mi from Detroit, at 9:48 PM. (a) Express the distance d traveled in terms of the time t (in hours) elapsed. d(t) (b) Draw the graph of the equation in part (a) d 100 100H 90 90 80 80 70 70 60 60 50 50 40 40 30 30 20 20 10 10 2H d 80 90 100 10 20 30 40 50 60 70 10 20 30 40 50 60 70 80 (c) What is the slope of this line?

Answer 1

g olution at 9:00 PM Jason leoves Oeroit and pasaes Ann fArbor, 4o wiles from Dehrot at 9:48 PM. t 48 nin- 48 hrs ,distante 60 Cavered Cd) 40 miles Lineor olis tan ce Let Cy ener functionis as ACt)-mt +e Set dct) O tニ Cニ0 So, l t- mt 48jr at t 60 /46 40= 60 40x60 48 me50 1ct)- Sot Aus

ot1 160 (50 MO 130 120 loo 70 60 40 30 20 2 4 /Cin hau c) lope f U'ne = &50 0 cdcrceei dis tans Cd) beiles)