RRB Government Jobs Exams

Let f(x) = -2x^2 + 4x + 6.
a) Find the vertex of the graph of f.
b) Find the range of f.
c) Find the x - intercepts of the graph of f.
c) Find the y - intercept of the graph of f.

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RRB Other Question

Write the quadratic function f(x) = -2x^2 -12x - 20 in standard form
(or vertex form). is a quadratic function whose graph has a vertex at the point (-3 , 2) and has
a y-intercept at the point (0 , -16).
a) Find the equation for function f.
b) Find the x-intercepts of the graph of f.