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What is the inverse of the function f(x) = 4x + 8? O h(x) = 1/4x-2 O h(x) = 1/4x+2 O h(x) = 1/2x-2 O h(x) = 1/2x+2
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What is the inverse of the function f(x) = 4x + 8?

O h(x) = 1/4x-2
O h(x) = 1/4x+2
O h(x) = 1/2x-2
O h(x) = 1/2x+2

User Shuji
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1 Answer

2 votes


f(x)=4x+8\\y=4x+8\\x=4y+8\\\\

Proceed the inverse. Swap the x and y.


x-8=4y\\(x)/(4)-(8)/(4)=y\\y=h(x)\\h(x)=(x)/(4)-2\\h(x)=(1)/(4)x-2

So the answer is first one.

User Keidi
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