Question

Use interval notation to indicate where $f(x) = \frac{1}{1 + e^{1/x}}$ is continuous. Answer: $x \in$ Note: Input U, infinity, and -infinity for union, $\infty$, and $-\infty$, respectively.

          Use interval notation to indicate where $f(x) = \frac{1}{1 + e^{1/x}}$ is continuous.
Answer: $x \in$ 
Note: Input U, infinity, and -infinity for union, $\infty$, and $-\infty$, respectively.

Use interval notation to indicate where f(x) = (1)/(1 + e^1/x) is continuous.
Answer: x ∈
Note: Input U, infinity, and -infinity for union, ∞, and -∞, respectively.

Added by Nathaniel F.

Precalculus with Limits

Ron Larson 2nd Edition

Instant Answer

Solved by Expert Ma. Theresa Alin

04/17/2022

Step 1

Step 1: The function f(x) = 1 + e^(1/x) is continuous for all x except where the denominator of e^(1/x) is equal to 0, which is at x = 0. Show more…

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1 Use interval notation to indicate where f(x) is continuous: 1 + e^(1/x) Answer: Note: Input U, infinity, and -infinity for union, oo, and -oo respectively.