Can you please show me how to show my work thank you!

G(x) = 2 sin(2x - π) + 4. using complete sentences, explain how to find the minimum value for the function.

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers