# Tutor profile: Gloria L.

Inactive

Gloria L.

Tutor for 6 years and finance student

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## Questions

### Subject: Calculus

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Question:

ketch the graph of g(x)=x^2−4x and identify all the relative extrema and absolute extrema of the function on the interval [-1;4]

Inactive

Gloria L.

Answer:

The point (2,−4) is still both a relative minimum and an absolute minimum. We have an absolute maximum at the point (−1,5).

### Subject: Statistics

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Question:

A shoes manufacturer produces shoe strings. assume the manufacturer takes a random sample of 200 strings and finds that 19 of them are of the wrong length. construct a 95% confidence interval around the true proportion defective.

Inactive

Gloria L.

Answer:

0.05436 <= p <= 0.13564

### Subject: Algebra

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Question:

5x + 2(x + 7) = 14x – 7. Find x

Inactive

Gloria L.

Answer:

x=3

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