The bird will have been flying for 2 hours at 12 miles per hour. Because he is going 12 miles per hour, he will have gone 24 miles total.
Answer:
Approximate maximum height is <em>5 ft</em>

Step-by-step explanation:
---------- (1)
Differentiate equation (1) w.r.t <em>t </em>and equate it to zero (in order to determine maxima)



Substitute this value in equation (1)


