Answer
$y=4x(7-2x)$ is a "Quadratic Function"
Work Step by Step
$y=4x(7-2x)$ is a Quadratic function as the highest order term is $x^2$
By simplifying, we get $y=-8x^2+28x$
$-8x^2$ is the Quadratic term and $28x$ is the linear term
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