An object is thrown upward from a height of 60 feet with an initial velocity of 48 feet per second. The height of the object

*t* seconds after it is thrown is given by

*h* (

*t*) = -16

*t*^{2} + 48

*t* + 60.

**a)** What is the average velocity in the first two seconds after the object is thrown?

Choose:
**b)** What is the average velocity from

*t* = 1 to

*t* = 3?

Choose: