Enable text based alternatives for graph display and drawing entry

Try another version of this question

Given the function
` f(x)= {(4 x -5, x<0),( 4 x -10, x\geq 0):}`

Calculate the following values:
`f(-1)= `  
`f(0)= `  
`f(2)= `  

Get help:


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..]