Rewrite as a simplified fraction

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.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Place the following steps in order to complete the square and solve the quadratic equation,