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\( f(x)=-5 x^{4}+3 x^{3}-2 x+7 \) Choose the correct answer below. A. The graph of \( f(x) \) rises to the left and falls to the right. B. The graph of \( f(x) \) falls to the left and rises to the right. C. The graph of \( f(x) \) rises to the left and rises to the right. D. The graph of \( f(x) \) falls to the left and falls to the right.

Ask by Welch Carroll. in the United States
Mar 19,2025

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The graph of \( f(x) \) falls to the left and falls to the right.

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The Deep Dive

To analyze the behavior of the graph of \( f(x) = -5x^4 + 3x^3 - 2x + 7 \), we need to consider the leading term, which is \( -5x^4 \). Since the coefficient of the highest degree term is negative, this indicates that the graph will fall to the left and fall to the right. Thus, the correct answer is D. The graph of \( f(x) \) falls to the left and falls to the right. For a deeper understanding of polynomial functions, it’s fascinating to note that the degree of the polynomial determines the end behavior. In this case, since it’s a degree 4 polynomial (an even degree) with a negative leading coefficient, the ends of the graph will indeed both fall downwards, creating a 'valley' in the middle. If you're keen to explore polynomial graphs more, consider diving into the concept of “turning points” and “inflection points”. These points can be found using calculus and will give you fascinating insights into how polynomials behave between their rising and falling intervals!

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