Delbert stands at the top of a 300-foot cliff and throws his algebra book directly upward with a velocity of 20 feet per second. The height of his book above the ground t seconds later is given by the equation
h=−16t2+20t+300 where h is in feet.

a. Use your calculator to make a table of values for the height equation, with increments of 0.5 second.
b. Graph the height equation on your calculator. Use your table of values to help you choose appropriate window settings.
c. What is the highest altitude Delbert's book reaches? When does it reach that height (do not round your answers)?

Question

Delbert stands at the top of a 300-foot cliff and throws his algebra book directly upward with a velocity of 20 feet per second. The height of his book above the ground t seconds later is given by the equation
h=−16t2+20t+300 where h is in feet.

a. Use your calculator to make a table of values for the height equation, with increments of 0.5 second. 
b. Graph the height equation on your calculator. Use your table of values to help you choose appropriate window settings.
c. What is the highest altitude Delbert's book reaches? When does it reach that height (do not round your answers)?