Answer :
Step-by-step explanation:
speed = distance/ time
=> (x+4)/(x²-16) => (x+4)/(x+4)(x-4) => 1/(x-4) km/h.
hope this helps you.
Step-by-step explanation:
speed = distance/ time
=> (x+4)/(x²-16) => (x+4)/(x+4)(x-4) => 1/(x-4) km/h.
hope this helps you.