The height in feet of a projectile with an initial velocity of 224 feet per second and an initial height
of 80 feet is a function of time t, in seconds, given
by h(t) = -16t^2 +224t + 80. Use algebra to find the
time t when the projectile reaches its maximum
height. Show your work.

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?

What is the inverse of the function f(x) = 2x + 1?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?