. Sean throws a pebble from a bridge into the stream beneath him. The pebble’s height (in meters above the water), x seconds after Sean throws it can be modeled by: h(x)=-5x^2+10x+15

a. What was the height of the stone at the time that it was thrown?

b. When will the stone reach its maximum height?

c. What is the stone’s maximum height?

d. What is the stone’s height after 2 seconds?

e. When will the stone reach the stream?

f. What are the domain and range in the context of this problem?

Domain: Range: