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Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x