Graphs And Functions

Question 1

Y = f(x) + a
What does the a do

Answer 1

All the points are moved up by a
(Only effects the y)

Question 2

Y = f (x+a)

Answer 2

Move the to left or right. Only effects the x corridates
If positive move to the left
If negative move to the right

Question 3

Y = f(-x) what does the negative mean

Answer 3

There is a reflection in the x-axis

Question 4

Y = - f (x)

Answer 4

Flips in y axis

Question 5

Y =2f (x)

Answer 5

Multiply the y by 2