Question

Help! Medal :)
The graph of f(x) = 2x + 4 shifts five units to the right when it is replaced with the graph of f(x) = 2x - k. What is the value of k?

-5
-1
1
5

Answer 1

@iGreen

Answer 2

@eric_d

Answer 3

You want to shift it 5 units to the left..so what number do we use?

Answer 4

I don't Understand this question move 5 from what? @iGreen

Answer 5

It wants you to move f(x) = 2x + 4 five places to the right.

Answer 6

So what's our answer going to be?

Answer 7

f(x) = 2x + 4 is -2 in my graph @iGreen

Answer 8

No.. we will subtract 9 to 4..

What's 4 - 9?

Answer 9

-5

Answer 10

Yes..so what's your answer going to be?

Answer 11

A

Answer 12

or do I have to move it 5 spaces

Answer 13

No..

We already have:

f(x) = 2x - k

The negative is already there..

Answer 14

So what's our answer going to be?

Answer 15

you mean I need to get ride of the negative so D

Answer 16

Yep, you got it.