2 - Functions and Graphs

Question 1

Modulus drawing

What do you do when you have something like -|3x+4|?

Answer 1

You draw the modulus in the negative x axis

Question 2

Which one of these is NOT a function?

One to one
Many to one
One to many

Answer 2

One to many is not a function

Question 3

What must you not forget when square rooting something?

Answer 3

+ or - whatever your answer is

Question 4

How is the domain and range of f(x) and f-1(x) related?

Answer 4

Question 5

What are the steps for sketching y =|f(x)|?

Answer 5

1. Sketch y = f(x)
2. Reflect anything bleow the x-axis in the x-axis

Question 6

What are the steps for sketching y = f(|x|)

Answer 6

1. Sketch y = f(x) for x ≥ 0
2. Reflect your sketch in the y-axis

Question 7

Write out the rules of transformations?

Answer 7