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# Neural Networks

### Week – 2 Neural Networks of Launching into Machine Learning

Hyperbolic tangent
Tanh
All of the above

Weighted Sum
Activation function
Output of the activation function
All of the above

Sigmoid
Tanh
ReLU
ELU

Linear activation functions
Nonlinear activation functions
All of the above
None of the above

Sigmoid
Tanh
ReLU
ELU
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### Practice Quiz on Exploratory Data Analysis

1. Which of the following activation functions are used for nonlinearity?

1 point

2. A single unit for a non-input neuron has ____________________ a/an

1 point

3. If we wanted our outputs to be in the form of probabilities, which activation function should I choose in the final layer?

1 point

4. Which activation functions are needed to get the complex chain functions that allow neural networks to learn data distributions.

1 point

5. Which activation function has a range between zero and Infinity?

1 point

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