Answer:
A farmer would chose a luxury crop over a high caloric or nutritionally valued crop because a luxury crop would generate them more profit.
These are non-subsistence crops, ones that are not necessary to survive and be healthy, but luxury goods like the name implies. People are willing to pay more for them for this reason.
Answer:
The answer is the second one (The slope of the tangent line is 5).
Explanation:
Answer: Increase, decrease
Explanation: positive reinforcement increases the likelihood of a behavior being repeated. Negative reinforcement decreases the likelihood of a behavior being repeated.
Hoped that helped.