Consider the Function $f(x)=\frac{1}{1+a e^{-x}}$ , For $a>0$ As a Increases, What Happens to the Horizontal Asmyptotes of Increases

question 19

Multiple Choice

Consider the function $f(x) =\frac{1}{1+a e^{-x}}$ , for $a>0$ .As a increases, what happens to the horizontal asmyptotes of f?

• A)They shift upward.
• B)They remain the same.
• C)They shift downward.

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