Describe the transformation from y = f(x)

Question 1

Which transformation maps y = f(x) onto y = 3f(x)?

• A. Horizontal stretch, scale factor 1/3
• B. Reflection in the y-axis
• C. Vertical stretch, scale factor 3
• D. Reflection in the x-axis

Question 2

The point (−4, 3) lies on y = f(x). Where does it move to on y = −f(x)? Type it like (2, −1).

Answer 

Question 3

Which transformation maps y = f(x) onto y = f(x) + 3?

• A. Reflection in the x-axis
• B. Translation 3 units left
• C. Horizontal stretch, scale factor 1/3
• D. Translation 3 units up

Question 4

The point (3, 0) lies on y = f(x). Where does it move to on y = f(x − 3) − 1? Type it like (2, −1).

Answer 

Question 5

Which transformation maps y = f(x) onto y = f(−x)?

• A. Reflection in the y-axis
• B. Horizontal stretch, scale factor 5
• C. Vertical stretch, scale factor 5
• D. Reflection in the x-axis

Question 6

The point (6, 3) lies on y = f(x). Where does it move to on y = f(x + 4) + 1? Type it like (2, −1).

Answer 

Question 7

Which transformation maps y = f(x) onto y = 3f(x)?

• A. Reflection in the y-axis
• B. Vertical stretch, scale factor 3
• C. Reflection in the x-axis
• D. Translation 3 units right

Question 8

The point (1, 4) lies on y = f(x). Where does it move to on y = −f(x)? Type it like (2, −1).

Answer 

Question 9

Which transformation maps y = f(x) onto y = f(x + 5)?

• A. Translation 5 units right
• B. Translation 5 units left
• C. Vertical stretch, scale factor 5
• D. Reflection in the x-axis

Question 10

The point (−3, −6) lies on y = f(x). Where does it move to on y = 6f(x)? Type it like (2, −1).

Answer 

Question 11

Which transformation maps y = f(x) onto y = −f(x)?

• A. Reflection in the x-axis
• B. Horizontal stretch, scale factor 1/3
• C. Vertical stretch, scale factor 3
• D. Translation 3 units up

Question 12

The point (−3, 6) lies on y = f(x). Where does it move to on y = −f(x)? Type it like (2, −1).

Answer 

Question 13

Which transformation maps y = f(x) onto y = f(x) + 2?

• A. Horizontal stretch, scale factor 2
• B. Vertical stretch, scale factor 2
• C. Reflection in the x-axis
• D. Translation 2 units up

Question 14

The point (−1, 5) lies on y = f(x). Where does it move to on y = 2f(x)? Type it like (2, −1).

Answer 

Question 15

Which transformation maps y = f(x) onto y = f(2x)?

• A. Horizontal stretch, scale factor 2
• B. Translation 2 units up
• C. Horizontal stretch, scale factor 1/2
• D. Reflection in the x-axis

Question 16

The point (−6, 5) lies on y = f(x). Where does it move to on y = −f(x)? Type it like (2, −1).

Answer