Answer:
2
Step-by-step explanation:
We need to plot the points in a graph and see the general shape of the curve.
<em>Attached is the graph.</em>
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This Upside Down "U" shaped curve is that of a parabola, which has the general form

Thus, we see, the function is a 2nd degree function, highest power is 2.
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Answer and work down below. Let me know if you have any questions
Answer:
d) r = -65.
Step-by-step explanation:
The absolute value of r represents the relationship strength and the sign represents the relationship direction
Also if the relationship is nearest to 1 then it would be termed as positive correlated and if the relationship is nearest to -1 then it would be termed as negative correlated
Therefore based on the given options, the last option is correct