Functions Flashcards
1
Q
What is Lnx equal to? (log)
A
Log e x
2
Q
How do you make your own exponential model?
A
Use the formula Ae^kt
where A and K are constants to be found
3
Q
What do you do to Ae^kt if it decreases more slowly?
A
increase the value of t
4
Q
What is the domain?
A
The area of the x axis the graph affects
5
Q
What is the range?
A
The area of the y axis the graph affects
6
Q
What does the curves E mean?
A
Any real number
7
Q
How do you solve fg(x)?
A
Put the g(x) equation as x for the f(x) equation
8
Q
What happens to the domain and range when you inverse a function?
A
They switch
9
Q
How do you solve the inverse of a function?
A
- Write at y=
- Swap x and y
- Rearrange for y
- Change to fâ(x)
