In a Graph with Output on the Horizontal Axis and Total

question 187

Multiple Choice

In a graph with output on the horizontal axis and total revenue on the vertical axis,what is the shape of the total revenue curve for a perfectly competitive seller?

• A) U-shaped
• B) Inverted U-shaped
• C) A horizontal line
• D) A ray from the origin

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Definitions:

Synapses

The junctions between neurons through which nerve impulses pass by diffusion of neurotransmitters across a gap.

Hyperpolarization

A change in a cell's membrane potential that makes it more negative, moving further from zero.

Inhibitory Postsynaptic Potential

Hyperpolarization in the postsynaptic membrane, which causes the membrane potential to move away from threshold.

Monamine Oxidase Inhibitors

A class of drugs that inhibit the activity of monoamine oxidase enzymes, used primarily to treat depression.