I think Khan Academy may help in aiding understanding some concepts you may have difficulty with but does not provide enough practice in applying the concepts you just learned (at least in applying them in various ways).For the following exercises, determine whether each of the following relations is a function.Ģ. 1st Semester Pre-Calculus, 2nd Semester - Trigonometry and Pre-Calculus Linear and Quadratic Functions (CH1).
5): The baby weighed 7.5 pounds at birth. Answer (1 of 3): I think that Khan Academy an effective way to start preparing for pre-calc because that’s one thing our teacher recommended for us to do over the summer before the year we took pre-calc. I would prefer using Stewart over Khan Academy as it has more questions and even slightly challenging ones towards the end of the exercises. The x-intercept is not a plausible set of data for this model because it means the baby weighed 0 pounds 15 months prior to birth. I would suggest checking out a standard text like Stewart's Calculus (whether through a library or some other means) as it has a diagnostic test in the beginning that covers an array of precalculus topics like geometry, trigonometry, functions, and others - whatever you don't understand here or are not confident with will basically tell you what precalculus topics you need to review (the Early Transcendental edition of Stewart even delves into precalculus topics for the first chapter).
I can share my experience as to your pre-caclulus question as I have just recently finished precalculus about a month ago and about to finish Calculus I now (not the rigorous type, and also I am assuming you are not looking for that kind of a review). 253K views 2 years ago precalculus In mathematics education, precalculus or college algebra is a course, or a set of courses, that includes algebra and trigonometry at a level which is designed.
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