Question: 4.[10] Given the quadratic function f (x) = 2x2 + 10x + 12, (i) Find the the x-intercepts and y-intercept of the graph of f.

4.[10] Given the quadratic function f (x) = 2x2 + 10x + 12, (i) Find the the x-intercepts and y-intercept of the graph of f. (ii) Find the coordinates of the vertex of the graph of f. (iii) Sketch the graph of f. Label the axes properly, show the correct general shape of the graph and make sure that the coordinates of the intercepts and the vertex are correct. (iv) State the range of f

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