The following table lists monthly life insurance premiums for a S$500,000 policy for females of various ages. Use the table to answer parts (a)-(c). Age Monthly Premium 35 40 45 50 55 60 65 70 $10 18...

Extracted text: The following table lists monthly life insurance premiums for a S$500,000 policy for females of various ages. Use the table to answer parts (a)-(c). Age Monthly Premium 35 40 45 50 55 60 65 70 $10 18 20 23 33 55 96 162 a) Use regression to find a cubic polynomial function L that can be used to estimate the monthly life insurance premium for a female of age x. L(x) =] (Use integers or decimals for any numbers in the expression. Round to five decimal places as needed.)