How is the work of Rene Descartes related to that of Sir Isaac Newton? (5 points)
a
They both made their most famous discoveries while working for the king of England.
b
Newton and Descartes revolutionized navigation with their research, which led to increased colonization of the Americas.
c
Descartes' developments in analytical geometry were used by Newton in his development of calculus and research into optics.
d
Descartes was inspired to create a system of analytical geometry to describe Newton's Theory of Gravity.
