Power functions simply explained graphically - positive/negative odd/even exponents & examples. The equation of a power function is f(x)=ax^n. a is the prefactor, n is an exponent. x^2 or x^4 are functions with positive even exponents, x^3 or x^5 are functions with positive odd exponents. x^-2 or x^-4 are functions with negative even exponents, x^-3 or x^-5 are functions with negative odd exponents. We show the differences between the functions using examples and graphs.
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