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Tutor profile: Danielle H.

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Danielle H.
Economics Research Fellow at Stanford University
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Questions

Subject: SAT

TutorMe
Question:

Danielle hires a tutor to help her on her SAT. The tutor charges $25 for every two hours of work with an initial startup cost of $15. Write and expression to represent the cost of tutoring (C) in terms of the hours (h) she works with a tutor.

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Danielle H.
Answer:

$$C=\frac{25}{2}h+15$$

Subject: Pre-Calculus

TutorMe
Question:

One of the zeros of $$2x^2+22x+60$$ is -6. What is the other one?

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Danielle H.
Answer:

We have several ways to solve this. We should first factor out a $$2$$ to yield $$2(x^2+11x+30)$$. Now, you can either simply factor this further to yield $$2(x+5)(x+6)$$ and note that the factors give zeros of -5 and -6. We can also use synthetic division or polynomial long division to find the final factor.

Subject: Economics

TutorMe
Question:

Describe the two risks that pertain to information asymmetry in insurance. Explain how these risks apply in the case of health insurance.

Inactive
Danielle H.
Answer:

Economists have identified the phenomena of adverse selection and moral hazard. With adverse selection, they note that parties that are most likely to seek insurance are those that need it the most. In the case of health insurance, older and weaker patients are most likely to seek insurance. Moral hazard is a behavioral phenomenon that manifests when the insured take higher risks than the uninsured because they know that they are protected from severe monetary consequences. In the case of health insurance, this means that an insured skateboarder may attempt more dangerous tricks because he know that he will not need to pay for the full costs of care if he breaks a limb.

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