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Topics: • Functions defined by graphs (Examples 3.6 – 3.12) • Finding the domain and range of a function from its graph (see the above examples) • The vertical line test for the graph of a function (Definition 3.10) (Examples … Continue reading →

Topics: • A second method for solving absolute value inequalities (See update below) • Lines and slopes of lines • Functions • The domain and range of a function (Note: I will not be using the codomain) • Examples of … Continue reading →

Topics: (to be expanded later when I have time) • Inequalities and intervals and interval notation • Solving absolute value inequalities We only used the first method given in the textbook for solving the inequalities. (See Example 1.17) This method can … Continue reading →

Signing on to WeBWorK: • Go to the course blog in OpenLab and look for today’s post. There will be a link on each day’s post when there is WeBWorK homework due. Or you can go directly to mathww.citytech.cuny.edu/webwork2. However, be … Continue reading →

Welcome to your MAT 1375 class site on OpenLab. If you have not already got a copy of the textbook, it is available here. The topics for today: • the Real Number system. It is background to what we do in the rest of … Continue reading →