Latest questions about "equation"

I am writing my thesis and are discussing when it is appropriate to use contrast media. We are using Omnivis but I do not know the equation that is used.

The graphs of f:x=2(x-1)(x-1)-18 and g:x=mx+k is given. Find the coordinates of a,b,c,d(the turning point) and E if CE is parallel to AB. How can I solve this?

I need an application where I can write a math question with the possibility to give a straight answer.