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DL-C04-C-001

ReLU maps negative values to zero and leaves positive values unchanged.

DL-C04-C-002

Use max(0, -11).

DL-C04-C-003

Sigmoid is a squashing function.

DL-C04-C-004

Compute the weighted sum first, add the bias, then apply ReLU.

DL-C04-C-005

Substitute h = 4x into y = -2h.

DL-C04-C-006

Without nonlinearities, linear maps compose into another linear map.