exam Maths Puzzle Numerical Ability

HELP!!!! it says identify the axis of symmetry, create a suitable table of values, then sketch the graph.
y=-x^2+3x-3
I am so lost when it comes to these! Your help would be greatly appreciated!
Thanks
CH

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exam Other Question

Suppose that the temperature outside is dropping at a constant rate. At noon, the temperature is 70oF and it drops to 58oF at 5:00 pm. How much did the temperature drop each hour? I need to evaluate the following expressions:

log of base 5 (0.008)


and

log of base 64 sqrt(4)