im getting brain damage doing this question pls help

Answer:
See below and attachment
Step-by-step explanation:
Given function:
The graph is attached and the axis of symmetry and all the required points plotted
a) Axis of symmetry:
b) It has no minimum as the leading coefficient is negative.
c) and d) x - and y - intercepts already given in the question
e) Domain is all real numbers. x = ( -∞, +∞ )
Range is y = ( - ∞, 4]