Question

an object moves along the x-axis according to the equation x (t) = 4t^2 — 3t +1 meter.
etermine

(i) the average speed between t = 2 and 3 seconds;

(ii) the instantaneous speed at t = 2 and t = 3 seconds and
(iii) the instantaneous acceleration at t = 2 and t = 3 seconds.

Answer 1

(i) the average speed between t=2 and 3 seconds;