# Tutor profile: Alfred C.

Inactive

Alfred C.

Experienced tutor in STEM subjects, specializing in K-12 mathematics, SAT/ACT math test prep, and civil engineering

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## Questions

### Subject: Calculus

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Question:

When finding the derivative of the following expression, which "rule" would be used? (x + 3)*4x

Inactive

Alfred C.

Answer:

You would use the product rule to find this derivative.

### Subject: Civil Engineering

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Question:

What equation is used to determine the moment created by a point load on the left support of a simply supported beam?

Inactive

Alfred C.

Answer:

The moment is equivalent to magnitude of the applied point load multiplied by the distance that point load acts from the left support.

### Subject: Algebra

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Question:

Factor the following expression: 9x^2 + 24x + 16

Inactive

Alfred C.

Answer:

The factors are (3x + 4) & (3x + 4)

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