I’m sorry I don’t know the length of JT however JE = 3.
I just graphed this equation, and it shows that the projectile will hit the ground at 5.3 seconds. I could be wrong but I'm going with the calculator is right I hope. I hope this helps you!
What is your first expression? because i can not answer without the first expression.
Answer:
Put 4 in the place of x then you'll get
