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At least one of the answers above is NOT correct. (1 point) Suppose /(x) = x + 3x + 1. In this problem, we will show that has
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(-3,-1) y=f(2) must f(x) = x8+3x+1 (a) first, we show that if has a root in the interval (-3.1). Since f is a continuous functhe only There would be exist a point c in the interval (a, b) so that f(0) = 0. However Solution to f(x) = 0. IS x = (-0.86

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