Functions and Graphs Flashcards
1
Q
What type of mapping must a function have?
A
one-one or many-one
2
Q
What mapping does a function have to have to have an inverse?
A
one-to-one
3
Q
How do you draw the inverse of a function given a graph of the function?
A
Reflect the original function in the line y = x
4
Q
How do you draw the graph of y = |f(x)|?
A
Draw the graph of y = f(x), but reflect anything below the x axis
5
Q
How do you draw the graph of y = f(|x|)?
A
Draw the graph of y = f(x) only on the right of the y axis, then reflect this on the left
