AM-419
Quadratic inequalities
A Math · Secondary 3 · Medium · Quadratic inequalities
The speed of a particle moving in a straight line is given by m/s, where is the time in seconds after it starts. For how many seconds is the speed at least m/s?
- s
- s
- s
- s
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.