Ch4 Graphs and transformations

Question 1

y = f(x) + a

Answer 1

translating vector (0 l a )

Question 2

y = (f(x) + a)

Answer 2

translating vector (-a l 0)

Question 3

y= af(x)

Answer 3

Stretch scale factor a in y direction

Question 4

y = f(ax)

Answer 4

Stretch scale factor 1/a in x direction

Question 5

y = -f(x)

Answer 5

reflection in x axis

Question 6

y=f(-x)

Answer 6

reflection in y axis