Quadratic function

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Determine the quadratic function f whose graph is given.
The vertex is (-3,-13) and the y-intercept is -4
f(x)=

  • Quadratic function -

    f(x) = a(x+3)^2 - 13
    since f(0) = -4,
    -4 = 9a-13
    a = 1

    f(x) = (x+3)^2 - 13

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