What is the graph of the function f(x) =x^2 minus 9x+20 over x-4

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

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