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Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

The table below shows the function f. determine the value of f(3) that will lead to an average rate of change of 19 over the interval [3, 5]. a. 32 b. -32 c. 25 d. -25