On pg. 96 question 9 I’m confused with how you came up with the answer 2, I got the answer 4. How did you come up with 2 I don’t understand?
That question refers to the graph below and says:
![](https://i0.wp.com/pwntestprep.com/wp-content/uploads/2021/08/image-5.png?resize=293%2C300&ssl=1)
![](https://i0.wp.com/pwntestprep.com/wp-content/uploads/2021/08/image-4.png?resize=470%2C79&ssl=1)
So, take it one step at a time. First, if , what’s
? When
, the graph is at
, so
, therefore
.
![](https://i0.wp.com/pwntestprep.com/wp-content/uploads/2021/08/image-6.png?resize=275%2C300&ssl=1)
From there, we need to find . Well, we know
, so the
in the function argument just becomes 2, like so:
.
We already figured out above that , so to find
we just multiply!