Given the graph of y=f(x) below, at which of the marked xx-values can the following statements be true? (For each question, enter your answer as a comma-separated list, e.g., x1,x3,x5. Enter none if no points satisfy the given condition) A. f(x)<0f(x)<0 at x= B. f′(x)<0f′(x)<0 at x= C. f(x)f(x) is decreasing at x= D. f′(x)f′(x) is decreasing at x= E. The slope of f(x)f(x) is positive at x= F. The slope of f′(x)f′(x) is positive at x=
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Given the graph of y=f(x) below, at which of the marked xx-values can the following statements be true?
(For each question, enter your answer as a comma-separated list, e.g., x1,x3,x5. Enter none if no points satisfy the given condition)
A. f(x)<0f(x)<0 at x=
B. f′(x)<0f′(x)<0 at x=
C. f(x)f(x) is decreasing at x=
D. f′(x)f′(x) is decreasing at x=
E. The slope of f(x)f(x) is positive at x=
F. The slope of f′(x)f′(x) is positive at x=
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