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mafiozo [28]
3 years ago
12

Find the inverse function of f(x)=

t{x+4} +7" alt=" \sqrt{x+4} +7" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
natita [175]3 years ago
8 0
f(x)=\sqrt{x+4}+7\\
y=\sqrt{x+4}+7\\
y-7=\sqrt{x+4}\\
(y-7)^2=x+4\\
x=(y-7)^2-4\\
f^{-1}(x)=(x-7)^2-4\ \text{ for } x\geq4
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