medium · SAT Math
Which of the following is an equivalent form of the function f(x) = 2(x-3)^2 + 5 that displays the y-intercept of the graph of f as a constant or coefficient?
- f(x) = 2x^2 - 12x + 13
- f(x) = 2(x-3)(x-3) + 5
- f(x) = 2x^2 - 12x + 23
- f(x) = 2(x^2 - 6x + 9) + 5
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