Computer Access to International Data Network a Costs $10 Per

question 34

Multiple Choice

Computer access to international data network A costs $10 per day plus $8 per hour or fraction of an hour. Network B charges $15 per day, but only $6 per hour or fraction of an hour. In the illustration, t represents the connect time and C represents the total cost for each network. Find the minimal daily usage (in hours) after which it would be more economical to use network B.

• A) After 2.5 hours, network B is cheaper.
• B) After 1.5 hours, network B is cheaper.
• C) After 2 hours, network B is cheaper.
• D) After 1 hour, network B is cheaper.
• E) After 3 hours, network B is cheaper.

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Definitions:

Electroconvulsive Therapy

Electroconvulsive therapy (ECT) is a medical treatment which involves inducing seizures in patients under general anesthesia to provide relief from severe mental illnesses, notably major depressive disorder and bipolar disorder.

Brain-Derived Neurotrophic Factor

Brain-Derived Neurotrophic Factor (BDNF) is a neurotrophin involved in the survival, development, and plasticity of neurons in the central and peripheral nervous systems.

Glutamate

An important neurotransmitter in the brain that plays a key role in learning and memory, functioning as a chemical messenger between neurons.

Prion

From proteinaceous and infectious; an abnormally folded protein that causes progressive neurocognitive disorders.