F(x)= -(x+7)²+4. which of the following is true for f(x). check all that apply a. the equation is quadratic b. the graph is linear c. the vertex is (7,4) d. the axis of symmetry is x=-7 e. the y-intercept is (0,4) f. the graph has a relative minimum g. the equation has no real solutions * answer asap

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