Use the intermediate value theorem to show that f(x) has a zero in the given interval. Please show all of your work.
f(x)=-3x^4-5x^3-8x+7; [-2.4,-2.3]
f(x)=-3x^4-5x^3-8x+7; [-2.4,-2.3]
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f(-2.4) < 0 < f(-2.3) and f(x) is continuous...thus a zero exists in [ - 2.4 , - 2.3 ]