Answer:
a) (1 , 4)
b) (-1 , 0) and (3 , 0)
Explanation:
The turning point also call the vertex of the function is shown by in this case the maximum which is at the point (1 , 4). The roots, also known as zeros, are the values at which the graph crosses the x-axis. In this case it is at points: (-1 , 0) and (3 , 0)