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29-10-2019
Mathematics

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If f and g are two functions defined by f(x)=3x+5 and g(x)=x^2+1 find f^-1 (x)

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29-10-2019

Answer:

y = 1/3(x-5)

Step-by-step explanation:

To find the inverse of a function switch the x and y and then solve for y.

x = 3y + 5

x-5 = 3y

(x-5)/3 = y

Or

y = 1/3(x-5)

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