Find g(x), where g(x) is the translation 4 units up of f(x)=x. Write your answer in the form mx+b, where m and b are integers. g(x)=

Question

Find 

g

(

x

)

,

 where 

g

(

x

)

 is the translation 4 units up of 

f

(

x

)

=

x

.

Write your answer in the form 

m

x

+

b

,

 where 

m

 and 

b

 are integers.

g

(

x

)

=

Answer 1

I have worked out this problem in this video. When time permits, please check it out and let me know if you have any additional questions. I hope this helps. Take care!

Dr. Christal-Joy Turner

Answer 2

Hi Alajiah,

Four units up means almost exactly what it sounds like--you are shifting the graph up four units, which means:

f(x) = x becomes:

g(x) = x + 4

This is called a vertical shift 4 units up. I hope this helps.