Asked by Harmony

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
4
Answered by oobleck
shifting f(x) to the right by 5 replaces x by (x-5), so you get
2(x-5)+4 = 2x-6

I suspect a typo. Get out some graph paper to check.
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