AIR MATH

Math Question

22 Select the correct answer. The domain of function \( r \) is \( (-\infty,-7) \cup(-7,5) \cup(5, \infty) \), and the value of the function approaches 1 as \( x \) approaches \( -\infty \) and \( \infty \). Which function could be function \( r \) ? A. \( f(x)=\frac{x-5}{x+7} \) B. \( f(x)=\frac{2 x-35}{x^{2}+2 x-35} \) C. \( f(x)=\frac{x^{2}-3 x-15}{x^{2}+2 x-35} \) D. \( f(x)=\frac{x^{2}+2 x-35}{x^{2}-3 x-15} \)

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