Answer: 70 ft
Step-by-step explanation:
Given
height of book is measured by the function is

when the book is thrown 

The height of the book is 
Here are your answers: Renting: 1. When you rent something you will have for a good amount of time. 2. When you rent something you have control over it since you rented it with your money. Buying: 2, You get to keep it forever. 3. you can sell it for more so you can make a profit to buy something else.
Answer: c
Step-by-step explanation: