Solución
The battery life of a certain cell phone starts at 8 hours. The battery life decreases at an annual rate of 30%.a. Write a function that represents the battery life y after x years.
Solución
Pasos de solución
Translate the problem into an equation:
Ejemplos populares
if you borrow\$1,040 for 5 years at an annual interest rate of 4% what is the total amount of money you will pay backWhen Christian and Cynthia were married, Cynthia was two years younger than Christian. How old was Christian on his wedding day if 20 years ago he was twice as old as CynthiaChris is twice as old as Don. Next year, the sum of their ages will be four times as much as Don's age last year. Find their present ages.A mother is currently 7 times older than her son. In 3 years time, she will be 5 times older than her son.Twenty is the product of 4 and a number