Reflecting functions: examples | Transformations of functions | Algebra 2 | Khan Academy
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https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:transformations/x2ec2f6f830c9fb89:reflect/e/reflect-functions
We can reflect the graph of any function f about the x-axis by graphing y=-f(x) and we can reflect it about the y-axis by graphing y=f(-x). We can even reflect it about both axes by graphing y=-f(-x). See how this is applied to solve various problems.
View more lessons or practice this subject at https://www.khanacademy.org/v/reflecting-functions-examples
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