What is the primary function of a credit score?

Which of the following actions is widely believed to negatively impact a credit score, but actually doesn't?

What is the relationship between income and credit score?

Which type of loan does NOT impact a credit score?

What is the impact of closing a credit card on a credit score?

Is a low credit score a guaranteed reason for loan rejection?

What is the main misconception about carrying a balance on a credit card?

What is the primary factor determining creditworthiness based on the provided text?