Mr. Manchego drove 243 miles in 4.5 hours before stopping for lunch. Then he drove 162 miles in 3 hours. What was Mr. Manchego’s rate of speed while driving?

An object is accelerating at a constant rate. its velocity in feet per second as a function of time in seconds can be modeled by the linear function v(t) = 2.5t. what does the dependent variable represent for this function? a) acceleration b) distance c) slope d) velocity