Can somebody help me? Thank you!

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Brent wants to know what is 5 x 1/2

Which of the following is true for the relation f(x)=2x^2+1