1. The displacement of a particle thrown upwards is given by f(t)=20-5t+2t². calculate how far it travels by the time the velocity becomes zero
3. Evaluate the integral of
9. Find the inverse of the function f(x)=3(5x-1)
10. What is time(t) in seconds taken for a stone thrown into the air to attained its maximum height(h) if h=-5t^2 + 10t +4
