Question:

For the graph :

(i) find the coordinates of the stationary point;

(ii) say, with reasoning, weather this is a maximum or minimum point;

(iii) check your answer by using the method of 'completing the square' to find the vertex;

(iv) state the range of values which the function can take.

Attempt:

(i)

Stationary Point =

(ii)

Minimum Point

(iii) Need help...