In what way did Descartes' philosophy of science challenge medieval views?

Descartes said that God could be found and analyzed in the same way that a machine could be.
Descartes emphasized the role of doubt, while medieval thinkers emphasized the role of faith.
Descartes rejected religious belief and said that the visible world is the only world that exists.
Descartes believed faith was the only path to truth, while medieval thinkers rejected the Bible.

Question

In what way did Descartes' philosophy of science challenge medieval views?

Descartes said that God could be found and analyzed in the same way that a machine could be.
 Descartes emphasized the role of doubt, while medieval thinkers emphasized the role of faith.
 Descartes rejected religious belief and said that the visible world is the only world that exists.
 Descartes believed faith was the only path to truth, while medieval thinkers rejected the Bible.

Isry · Answer

Do you know who Descartes was?

kekeman · Answer

@isry wrote:

Do you know who Descartes was?

He was a creative mathematician of the first order, an important scientific thinker, and an original metaphysician

Isry · Answer

Okay but what about his work what do you know about what he did?

kekeman · Answer

No