projectile is launched from the ground with an initial speed of 150 ft/sec at an angle of 45° with the horizontal.

a) Find parametric equations that give the position of the projectile at time t, in seconds.

b) Find the height of the projectile after 3 sec and after 6 sec.

c) Determine how long the projectile is in the air.

d) Determine the horizontal distance that the projectile travels.

e) Find the maximum height of the projectile.