Evaluate f(-2) if f(x)=-3x^2-1 2 points 11 -13 13 -11

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

Will mark name all segments skew to bc