Solve the Problem $A$ To the Midpoint Of $B C$ $$\mathrm { A } = ( 5,8,1 ) , \mathrm { B } = ( 2,7,6 ) , \mathrm { C } = ( - 9,7,4 )$$

question 153

Multiple Choice

Solve the problem.
-Find the vector from $A$ to the midpoint of $B C$ .
$$\mathrm { A } = ( 5,8,1 ) , \mathrm { B } = ( 2,7,6 ) , \mathrm { C } = ( - 9,7,4 )$$

• A) \(\langle - 5.5 , - 1,4 \rangle\)
• B) \(\langle - 8.5 , - 1,4 \rangle\)
• C) \(\langle 8.5,1 , - 8.5 \rangle\)
• D) \(\langle - 10 , - 56 , - 6 \rangle\)

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Definitions:

Opportunity Cost

The cost of foregoing the next best alternative when making a decision, representing the benefits that could have been received if a different decision were made.

External Cost

An external cost, or negative externality, refers to a cost that a transaction or activity imposes on parties who are not involved in the transaction, such as pollution affecting non-participants.

Positive Externality

A benefit that affects someone who did not choose to incur that benefit, often leading to an under-provision of a good or service.

Vaccination

A medical intervention that introduces a substance to stimulate the body's immune response against disease.