Which statement describes the graph of f (x) = 4x7 + 40x6 + 100x5? a. The graph crosses the x axis at x = 0 and touches the x axis at x = 5. b. The graph touches the x axis at x = 0 and crosses the x axis at x = 5. c. The graph crosses the x axis at x = 0 and touches the x axis at x = - 5. d. The graph touches the x axis at x = 0 and crosses the x axis at x = - 5.

Question

Azaria

Mathematics

15 April, 14:52

Which statement describes the graph of f (x) = 4x7 + 40x6 + 100x5? a. The graph crosses the x axis at x = 0 and touches the x axis at x = 5. b. The graph touches the x axis at x = 0 and crosses the x axis at x = 5. c. The graph crosses the x axis at x = 0 and touches the x axis at x = - 5. d. The graph touches the x axis at x = 0 and crosses the x axis at x = - 5.

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Answers (1)

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Lauren Preston · Answer 1

The correct answer would be C. The graph crosses the x axis at x = 0 and touches the x axis at x = - 5

The graph approaches zero at values near x = 0. Part of the graph then touches the x-axis at x = - 5.