What is the value of cube root function when applied to -8?
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Question: Find the value of 'x' in the equation f(x) = 3x^2 - 4x + 7, where f(x) = 20.
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What is the general equation for an ellipse in the form \(\frac{{(x-h)^2}}{{a^2}} + \frac{{(y-k)^2}}{{b^2}} = 1\) and its foci and major/minor axis lengths?