Question

Focus on math practices

Reasoning How are "T minus 4" and "T plus 4" related?
In rocket use

Answer 1

Both T+4 and T-4 are the same distance away from 4

T would be the launch time of the rocket...

T - 4 is 4 units of time (seconds) prior to launch...

T+ 4 is 4 units of time (seconds) after the launch

Explanation: