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A car is initially 20 miles south of the border between two states and is traveling south.

Distances D between the car and border are recorded in the table for various elapsed times t. Find a linear function given by D(t)=at +b that models this data

What is the linear function modeled by the data

D(t)= (Simplify your answer.)

                                                                                          (t) hours 0 1 2 4

                                                                                          (d) miles 20 70 120 220

Comments

Jamal,

Give the speed of the car given by the table and we can answer this. Or give us a few values for Distance and time and ill calculate the speed and write ur equation

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