This algebra 2 and precalculus video tutorial explains how to determine whether a function f is even, odd, or neither algebraically and using graphs. This video contains plenty of examples and. This mirroring about the y-axis is a hallmark of even functions. Also, I note that the exponents on all of the terms are even — the exponent on the constant term being zero: 4x 0 = 4 × 1 = 4.These are helpful clues that strongly suggest to me that I've got an even function here. Even and Odd Functions. Some graphs exhibit symmetry. Graphs that have symmetry with respect to the y-axis are called even functions.Graphs the have symmetry with respect to the origin are called odd functions. Look at the graphs of the two functions f(x) = x 2 - 18 and g(x) = x 3 - 3x. The function f(x) = x 2 - 18 is symmetric with respect to the y-axis and is thus an even function. How do I tell if a function is even or odd by looking at a graph? Lucky for me I’ve trained my brain to be very good at visuals and “seeing” concepts/constructs. So what I do is this. I quickly check the fold method, where mentally I fold the grap. b) Functions which contain a term with an EVEN power of x and a term with an ODD power of x or, at least one term with an ODD power of x and a constant term are likely How to Tell if a Function Is Even or Odd. One way to classify functions is as either even, odd, or neither. These terms refer to the repetition or symmetry of the function. The best way to tell is to manipulate the function. Knowing whether a function is even or odd helps you to graph it because that information tells you which half of the points you have to graph. These types of functions are symmetrical, so whatever is on one side is exactly the same as the other side. If a function is even, the graph is […] This is the vid about the to determine whether a function is even, odd, or neither graphically. The video uses reflections. For more math shorts go to . Learn how to determine if a function is even or odd. A function is even if the graph of the function is symmetrical about the y-axis, or a function is even if f(x) = f(-x). A function is odd if. Even and Odd Functions. Some graphs exhibit symmetry. Graphs that have symmetry with respect to the y-axis are called even functions.Graphs the have symmetry with respect to the origin are called odd functions. Look at the graphs of the two functions f(x) = x 2 - 18 and g(x) = x 3 - 3x. The function f(x) = x 2 - 18 is symmetric with respect to the y-axis and is thus an even function.