Question

(5) The distance travelled in seconds by an object starting with a speed
of metres second and moving along a straight line with speed
increasing at the rate of a metres second every second is given by
+ metres. An object moving in this manner
tels 10 metres in
2 seconds and 28 metres in 4 seconds. With what speed did it start? At
what rate does its speed change?​

Answer 1

just see the attachment !

hope it helps !

follow me !