Transformation Of Graphs Flashcards
1
Q
What does f(x)-a mean
A
Move graph down by a unit.
2
Q
On trigonometric graphs what is the scale on the x axis?
A
0-360
3
Q
What does f(x+a) mean
A
Move left ‘a’ units.
4
Q
What does f(x-a) mean
A
Move right ‘a’ units.
5
Q
What does f(-x) mean
A
Reflection in y axis.
6
Q
What does -f(x) mean
A
Reflection in the x axis.
7
Q
What does af(x) mean
A
Stretch up or down with the scale factor of ‘a’
8
Q
What does f(ax) mean
A
Stretch left or right with scale factor 1/a
9
Q
Example what happens when the question is….
Y= cos(x)-1
A
Moves down one.
10
Q
What happens when the question says…..
Y= cos(x-30degrees)
A
Move right 30 degrees.
11
Q
What does f(x)+a mean
A
Moves graph UP by a unit.
