What is f(n) = -2n+1?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

The product of sin 30 degrees and sin 60 degrees is same as the product of