Question

3. Sarah is a world-class diver in the women's 3-m springboard competition. Her height

h (in metres), above the water t seconds after she leaves the board is given by
h = -4.9t2 + 8.8t + 3. How long is Sarah in the air before she reaches the water?
Make sure to round your answer to the nearest tenth.
Answer:
2011, 2013, 2016 Alberta Education

Answer 1

1.163 seconds

Step-by-step explanation:

see the attached. solve the quadratic equation.