Ruby has been collecting rocks, she has 3 rocks already and plans to collect more. Ruby has been collecting rocks, she has 3 rocks already and plans to collect more.

On the first day of collecting, she has a total of 6 rocks

On the second day of collecting, she has a total of 12 rocks

On the third day of collecting, she has a total 24 rocks

Write a function that represents the number of rocks as a function of the number of days, xx.

f(x)=

On the first day of collecting, she has a total of 6 rocks

On the second day of collecting, she has a total of 12 rocks

On the third day of collecting, she has a total 24 rocks

Write a function that represents the number of rocks as a function of the number of days, xx.

f(x)=

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)