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Jessica F.
Tutor of 5 years from NYU Stern
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Pre-Calculus
TutorMe
Question:

Is f(x) = x^2 - 6x + 11 a one-to-one function?

Jessica F.
Answer:

If we set f(x) = 11 for instance, solving gives that f(0) = 11 = f(6), so f is not a one-to-one function.

Calculus
TutorMe
Question:

True or False. If F(x) is an antiderivative of f(x), then (1/a) F(ax) is an antiderivative of f(ax).

Jessica F.
Answer:

True.

ACT
TutorMe
Question:

What is the degree measure of the acute angle formed by the hands of a 12-hour clock that reads exactly 2 o’clock?

Jessica F.
Answer:

60°

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