An object is thrown upward at time t=0 . After t seconds,
its height is y = -4.9 t^2 + 3 t + 3.5 meters above the ground.

**(a)**
From what height was the object thrown?

**(b)**
What is the initial velocity of the object?

**(c)**
What is the acceleration due to gravity?

You can earn partial credit on this problem.