magoosh blog | high school
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author: david recine

david recine
david is a test prep expert for magoosh toefl and ielts. additionally, he’s helped students with toeic, pet, fce, bulats, eiken, sat, act, gre, and gmat. david has a bs from the university of wisconsin-eau claire and an ma from the university of wisconsin-river falls. his work at magoosh has been cited in many scholarly articles, his master’s thesis is featured on the reading with pictures website, and he’s presented at the witesol (link to pdf) and nafsa conferences. david has taught k-12 esl in south korea as well as undergraduate english and mba-level business english at american universities. he has also trained english teachers in america, italy, and peru. come join david and the magoosh team on youtube, facebook, and instagram, or connect with him via linkedin!

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    of all the derivative rules it seems that the chain rule gets the worst press. many students dread the rule, think that it’s too difficult, don’t fully understand where to apply it, and generally wish that it would go away. are you in this group? if so then i hope that by the end of…

  • creating a positive student/teacher relationship

    creating a positive student/teacher relationship is important for your current and future success. find out how to foster one in this post.

  • ap calculus review: quotient rule

    the quotient rule is an important formula for finding the derivative of any function that looks like fraction. check out this article for details!