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lyudmila [28]
3 years ago
13

If 8(x) is the inverse of f(x) and f(x) = 4x + 12 what is g(x) ?

Mathematics
1 answer:
kompoz [17]3 years ago
7 0

Answer:

(y-12)/4

Step-by-step explanation:

If g(x) is the inverse of f(x)

and f(x) = 4x + 12

f⁻¹(x) = g(x)

let f(x) be represented as y

f(x) = y

y = 4x + 12

subtract 12 from both sides

y-12= 4x

divide both sides by 4

(y-12)/4 = x

so f  ⁻¹ (y)=  (y-12)/4 so g(x) =  (x-12)/4

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