Determine All Values of X, (If Any),at Which the Graph

question 184

Multiple Choice

Determine all values of x, (if any) ,at which the graph of the function has a horizontal tangent. ​ ​

• A) and
• C) and
• E)The graph has no horizontal tangents.

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Definitions:

Mechanoreceptors

Sensory receptors responsible for converting mechanical pressures or changes in position into signals that can be interpreted by the nervous system.

Amacrine Cell

A lateral interneuron in the retina of the eye; receives signals from bipolar cells and sends signals back to them or to ganglion cells.

Bipolar Cell

A type of neuron found in the eyes that conducts signals from the photoreceptors to the ganglion cells, integral in the visual pathway.

Cone

(1) In botany, a reproductive structure in many gymnosperms that produces either microspores or megaspores. (2) In zoology, one of the conical photoreceptive cells of the retina that is particularly sensitive to bright light and, by distinguishing light of various wavelengths, mediates color vision. Compare with rod.