Enable text based alternatives for graph display and drawing entry

Try another version of this question

The tempreature in Anchorage Alaska one morning was `6` degrees Fahernheit. By mid-afternoon, the temperature had dropped to `13` degrees below zero. What was the difference between the morning and afternoon temperatures?

degrees Fahrenheit


↑
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..]