kassidyprescott kassidyprescott

15-02-2017
Mathematics

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Write the inverse function for the function, ƒ(x) = x + 4. Then, find the value of ƒ -1(4).

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Hoodsie Hoodsie

15-02-2017

Y=x+4
X=y+4 (swap variables)
X-4 (solve)
Substitute
F(4)=-8

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