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Mathematics 14 Online
OpenStudy (anonymous):

@Here_to_Help15

OpenStudy (here_to_help15):

yes

OpenStudy (anonymous):

Finally got in I restarted

OpenStudy (here_to_help15):

oh ok post your question and i will comeback :)

OpenStudy (anonymous):

Heinz has a list of possible functions. Pick one of the g(x) functions below, show how to find the zeros, and then describe to Heinz the other key features of g(x). • g(x) = x^3 – x^2 – 4x + 4 • g(x) = x^3 + 2x^2 – 9x – 18 • g(x) = x^3 – 3x^2 – 4x + 12 • g(x) = x^3 + 2x^2 – 25x – 50 • g(x) = 2x^3 + 14x^2 – 2x – 14

OpenStudy (anonymous):

Provide a rough sketch of g(x). Label or identify the key features on the graph.

OpenStudy (here_to_help15):

g(x) = x^3 – x^2 – 4x + 4 The zeros are found by factoring the equation. x^2(x-1) - 4(x -1) = 0 (x^2 -4)(x-1) = 0 (x+2)(x-2)(x-1) = 0 x = 2, -2, and 1 The other key features are: g'(x) gives the slope g''(x) gives the concavity g'(x) = 0 will give the critical points g''(x) = 0 will give the point of inflection

OpenStudy (anonymous):

Can you draw a rough sketch of it?

OpenStudy (here_to_help15):

lemme see

OpenStudy (anonymous):

Okay

OpenStudy (here_to_help15):

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