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2. Graph of a function - Wikipedia

   en.wikipedia.org/wiki/Graph_of_a_function

   Given a function: from a set X (the domain) to a set Y (the codomain), the graph of the function is the set [4] = {(, ()):}, which is a subset of the Cartesian product.In the definition of a function in terms of set theory, it is common to identify a function with its graph, although, formally, a function is formed by the triple consisting of its domain, its codomain and its graph.

3. Elementary algebra - Wikipedia

   en.wikipedia.org/wiki/Elementary_algebra

   For example, taking the statement x + 1 = 0, if x is substituted with 1, this implies 1 + 1 = 2 = 0, which is false, which implies that if x + 1 = 0 then x cannot be 1. If x and y are integers, rationals, or real numbers, then xy = 0 implies x = 0 or y = 0. Consider abc = 0. Then, substituting a for x and bc for y, we learn a = 0 or bc = 0.

4. Linear function (calculus) - Wikipedia

   en.wikipedia.org/wiki/Linear_function_(calculus)

   The y-intercept is the initial value = = at =. The slope a measures the rate of change of the output y per unit change in the input x. In the graph, moving one unit to the right (increasing x by 1) moves the y-value up by a: that is, (+) = +.

5. Line (geometry) - Wikipedia

   en.wikipedia.org/wiki/Line_(geometry)

   Using this form, vertical lines correspond to equations with b = 0. One can further suppose either c = 1 or c = 0, by dividing everything by c if it is not zero. There are many variant ways to write the equation of a line which can all be converted from one to another by algebraic manipulation. The above form is sometimes called the standard form.

6. 7 signs you might have ADHD and what steps to take - AOL

   www.aol.com/7-signs-might-adhd-steps-093036184.html

   With 15.5 million U.S. adults currently diagnosed with ADHD, there is a growing focus on warning signs of the disorder. Mental health experts share the most common signs and symptoms.

7. Easy & Adorable Mashed Potato Snowmen Almost Too Cute to Eat

   www.aol.com/easy-adorable-mashed-potato-snowmen...

   Set pressure to high and set to 10 minutes. Make the decorations for your snowmen (or should I say gender neutral snow people) while the potatoes cook. Allow the pressure cooker to naturally release.