Monthly Archives: February 2014

Topics: • Reminders about the relationship between the square root and squaring. • Composition of functions: Definition 6.5 p. 77. Start here! • Finding the formula of a composite function • Using functions defined by tables • The square root … Continue reading →

See the flyer below… MathSpecialistHelpNYCCTSpring2014

(after Test 1)   Topics: (some review from last time) • Basic graphs: the graphs of the following functions are essential to know: Important feature: this graph has an inflection point (the s-curve) at (0,0) Important feature: the domain is … Continue reading →

Test 1 is scheduled for Tuesday 25 February, the first 50 minutes or so of class. Please review the course policies: in particular, there are no make-up tests and no extra time for latecomers, so please be early!   I … Continue reading →

Topics: • Functions defined by graphs: reading the domain and range from the graph • Basic use of graphing calculator • Using the “zeroes” and “maximum”, “minimum” calculate functions • Some important graphs of basic functions • Vertical and horizontal … Continue reading →

Topics: • Expressing one variable as a function of another Examples 2.20, 2.21, 2.22 • The square root principle (used in Example 2.22 in class): When solving an equation of the form (something), we use the Square Root Principle: If , … Continue reading →

I’m working on today’s post. Since I expanded the discussion of most of the examples today, I’m trying to type up notes of that expansion for you. So I hope you will be patient while I do that!   In … Continue reading →

Topics: • A review of the method for solving absolute value inequalities. (See at the end, below the fold, for a description of the method. We are not using the second method from the textbook, only the method used in … Continue reading →