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Determine Whether the Functions f(x)f(x) And g(x)g(x) Are Inverse Functions f(x)=−7xf(x)=-7 x A) f−1(x)=7+xf^{-1}(x)=7+x

Question 333

Multiple Choice

Determine whether the functions f(x) f(x) and g(x) g(x) are inverse functions.
- f(x) =−7xf(x) =-7 x


A) f−1(x) =7+xf^{-1}(x) =7+x
B) f−1(x) =−x7f^{-1}(x) =-\frac{x}{7}
C) f−1(x) =7x\mathrm{f}^{-1}(\mathrm{x}) =7 \mathrm{x}
D) f−1(x) =−7x\mathrm{f}^{-1}(\mathrm{x}) =-\frac{7}{\mathrm{x}}

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