Question 1135289
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The function is a polynomial, so its graph is continuous and differentiable everywhere.<br>
f(0) = -6
f(1) = -8
f(2) = -10
f(3) = -6
f(4) = 10<br>
f(3) is negative; f(4) is positive  -->  there must be a zero between 3 and 4.  Answer D