Enable text based alternatives for graph display and drawing entry

Try another version of this question

Use Euler's method with step size `0.3` to compute the approximate `y`-values `y(0.3)` and `y(0.6)`, of the solution of the initial-value problem
`y^(′) = 2 -2 x -4 y`,   `y(0)=-4`.

`y(0.3)=`   ,

`y(0.6)=`   .