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Tutor profile: Andrew Y.

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Andrew Y.
Junior at NYU majoring in mathematics
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Questions

Subject: Pre-Calculus

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Question:

Find the domain and range of the following relation: ${(0,2),(2,3),(4,5)}$

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Andrew Y.
Answer:

Domain: ${0,2,4}$ Range: ${2,3,5}$

Subject: Calculus

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Question:

d/dx ($x^2+6$)

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Andrew Y.
Answer:

As 6 is a constant, it will become 0, and using the power rule, the remainder becomes 2x. Therefore, the differentiation of ($x^2+6$) will be $2x$.

Subject: Algebra

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Question:

Solve $3x^2+2=29$.

Inactive
Andrew Y.
Answer:

Starting by subtracting 2 from both sides, we also need to divide 3 from both sides as well. Then we arrive at $x^2=9$, where we can conclude that $x= 3$ or $-3$.

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