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The graph of f(x) = 2x + 4 shifts six units to the right when it is replaced with the graph of f(x) = 2x − k. What is the value of k? 2 4 6 10
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The graph of f(x) = 2x + 4 shifts six units to the right when it is replaced with the graph of f(x) = 2x − k. What is the value of k? 2 4 6 10

User Brett Sanders
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1 Answer

3 votes
f(x)=2x+4; if x=0, => f(x)=4
g(x)=2x-k ; if x=0, => g(x)=-k
-k=4-6
-k=-2
k=2
Answer: k=2
User Peter Wessberg
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8.2k points
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