Graphs

Question 1

What does mod bars around x mean about the shape of a graph

Answer 1

V shape

Question 2

What do we do when it’s |f(x)|

Answer 2

Reflect negative y values in x axis

Question 3

What do we do when it’s f(|x|)

Answer 3

Reflect the x positive values in the y axis

Question 4

If 40 is a rootof a quadratic and we know a coordinate, how do we model it

Answer 4

y=Ax(x-40)
Plug in and solve for A