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A firework rocket is set off over a lake. The equation relating time and height for the rocket is h(t)=-14.7 t(t-6) In which form is this quadratic function expressed? Calculate the zeros, or t-intercepts (x-intercepts), of this function. Explain what the t-intercepts represent in terms of the firework rocket.[3 marks COMM] Convert the function in standard form. SHOW YOUR WORK FOR FULL MARKS! Find the coordinates of the vertex (using the t-intercepts). Is this vertex a maximum or minimum?Explain what the vertex represents in terms of the firework rocket.[4 marks T/l; 2 marks COMM] Graph the function and fully label the following ON THE GRAPH:

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