Your rich uncle is giving you $100,000 on the condition that you will spend exactly half of the remaining amount each day (or as close to half as possible). Use the equation y = 100,000(0.5)^x to find out how much you will spend on day 8. Round to the nearest cent.

A. $40,000.00
B. $390.63
C. $988.76

Question

Your rich uncle is giving you $100,000 on the condition that you will spend exactly half of the remaining amount each day (or as close to half as possible). Use the equation y = 100,000(0.5)^x to find out how much you will spend on day 8. Round to the nearest cent.

A. $40,000.00
B. $390.63
C. $988.76

anonymous · Answer

Would you need to HAVE to use a graph?

anonymous · Answer

a graph? nope... why would you need to use one?

$$remaining = y = 100 000 * 0.5 ^ 8 = 10^5 * 0.00390625$$

anonymous · Answer

Ohhh so it would be B (: haha silly teachers :P

anonymous · Answer

Thanks babe (:

anonymous · Answer

it would yeah.. the graph looks like this: http://bit.ly/jVC6Hh You just have to plug 8 in for x and yeah.. just calculate it - it's pretty straight forward. You're welcome :)

anonymous · Answer

I just totally stole that site and book marked it ^^