The function that models the scenario is
v = init_v + acceleration * time
Plug the values into the equation,
0 = 28 + a * 7 => -28 = a * 7 => a = - 28/7 m/s.
The graph is attached. :D
Hope I helped you! The graph calculator is desmos. You can use it for these types of questions.
Stay safe and God bless!
- eli <3
Product of 3 negatives equals a negative answer
Product of 3 positives equals a positive answer
Is this a trick question, i assume you just add all the number getting 2.4 miles or he is 0 miles away from his house when he completes his jog