I think it's true because its the same data set just put in order backwards.
Hope this helps!! :-)
Concave up is U-shaped.
There will be a inflection/critical point f'(x) =0 then a negative slope f'(x) = neg then another inflection/critical point f'(x) =0 at the bottom of the U-shape then a positive slope to last inflection/critical point. The interval for the Concave Up shape is the first and last inflection points.
The greatest common factor between 72 and 54 is 18.
Answer is d. -5/3 because y2-y1 =x2-x1
The Answer is 3^6
Just for characters
