Enable text based alternatives for graph display and drawing entry

Try another version of this question

Find the average rate of change of the function `f(x) = 9 / ( -3 x -4 )`, on the interval `[ -3, 4 ]`.

Average rate of change =  

Give an exact answer.




X
MathQuill
   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]