Tutor profile: Andrew Y.
Andrew Y.
Junior at NYU majoring in mathematics
Questions
Subject: Pre-Calculus
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Question:
Find the domain and range of the following relation: ${(0,2),(2,3),(4,5)}$
Andrew Y.
Answer:
Domain: ${0,2,4}$ Range: ${2,3,5}$
Subject: Calculus
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Question:
d/dx ($x^2+6$)
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 $3x^2+2=29$.
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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