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# Tutor profile: John B.

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John B.
High school Math Teacheer/Former college Tutor
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## Questions

### Subject:Pre-Calculus

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Question:

Tell Me the end behavior of the following polynomial, and explain how you know. \$\$-x^2+2\$\$

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John B.

As x approaches + or negative infinity, y will approach negative infinity. You know this by using the leading coefficient test to see that the degree is even and the leading coefficient is negative.

### Subject:Calculus

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Question:

Find the derivative of \$\$5x(e^x)\$\$.

Inactive
John B.

\$\$5(e^x)+5x(e^x)\$\$

### Subject:Algebra

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Question:

The two equations below represent inverse variation, and direct variation. Tell me which equation is inverse variation, and which is direct. y=5x y=2/x

Inactive
John B.

y=5x is direct variation y=2/x is inverse variation

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