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23-11-2016
Mathematics

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What is the equation of the inverse of h(x) = 5x + 2?

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thefaria thefaria

23-11-2016

y = 5x + 2
y - 2 = 5x
x = (y - 2) / 5

So the inverse of h(x) is (x - 2) / 5

Try it. Let x = 1

h(1) = 5 * 1 + 2 = 7

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