Find the values of x for which the given function is concave up, the values of x for which the function is concave down, and any points of inflection.y = 7x - x3
A. Concave up for x < 0, and x > 1, concave down for 0 < x < 1, points of inflection at (0, 0), (1, 7)
B. Concave up for x < 0, concave down for x > 0, point of inflection at (0, 0)
C. Concave down for all x, no points of inflection
D. Concave down for x < 0, concave up for x > 0, point of inflection at (0, 0)
Answer: B
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iv). p(x) = 
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What will be an ideal response?
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A. True B. False
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