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author: lucas fink

lucas fink
lucas is the teacher behind magoosh toefl. he’s been teaching toefl preparation and more general english since 2009, and the sat since 2008. between his time at bard college and teaching abroad, he has studied japanese, czech, and korean. none of them come in handy, nowadays.

  • 4 best online history tests to prep for apush

    taking an online practice test is a good way to study for any test. use our 4 best online history tests to prep for apush!

  • ap calculus bc review: integration by substitution

    substitution is just one of the many techniques available for finding indefinite integrals (that is, antiderivatives). let’s review the method of integration by substitution and get some practice for the ap calculus bc exam. the substitution rule integration by substitution, also known as u-substitution, after the most common variable for substituting, allows you to reduce…

  • ap calculus ab exam test dates

    so you’re signed up to take the ap calculus exam, and you’ve spent the last year preparing. but when exactly are the calculus ab exam test dates? read on to find out. we will also talk about a few other important dates in the ap schedule. important dates for ap preparing for an ap exam…