How is the work of Rene Descartes related to that of Sir Isaac Newton?

They both made their most famous discoveries while working for the king of England.
Newton and Descartes revolutionized navigation with their research, which led to increased colonization of the Americas.
Descartes's developments in analytical geometry were used by Newton in his development of calculus and research into optics.
Descartes was inspired to create a system of analytical geometry to describe Newton's Theory of Gravity.

Question

How is the work of Rene Descartes related to that of Sir Isaac Newton?

 They both made their most famous discoveries while working for the king of England.
 Newton and Descartes revolutionized navigation with their research, which led to increased colonization of the Americas.
 Descartes's developments in analytical geometry were used by Newton in his development of calculus and research into optics.
 Descartes was inspired to create a system of analytical geometry to describe Newton's Theory of Gravity.

anonymous · Answer

I think its d or c

anonymous · Answer

@Compassionate  can you help me?

anonymous · Answer

@AnswerMyQuestions

anonymous · Answer

@I_Always_Smiling  can you help?

anonymous · Answer

Sorry, I'm good at math, not so much history. :/

anonymous · Answer

Thanks @AnswerMyQuestions