00:01
We're asked a series of questions about the given savings account function.
00:04
So this is a of t is equal to 5 ,000 e to the 0 .04t.
00:19
And if we write this as, say, a function of x, this being a of x, we'll end up getting our graph.
00:28
And we're asked a series of questions.
00:30
So the first one is how much money was originally deposited, and that's clearly going to be 5 ,000, that's the principal amount.
00:40
Then we're asked what the interest rate is.
00:42
Since this is 0 .04, that means the interest rate is 4%.
00:46
Then we're asked how much will be in the account after 10 years.
00:49
So we type in a of 10...