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Let g(x) a polynomial of degree 3 passing through origin and have a local maximum at x=−12√2. Also g’(x) has a local minimum at x = 0 and g(1) = 5. Let f(x) = sgn(x) (where sgn(x) denotes signum function of x), then which of the following statement is incorrect for f(g(x))? |
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Answer» Let g(x) a polynomial of degree 3 passing through origin and have a local maximum at x=−12√2. Also g’(x) has a local minimum at x = 0 and g(1) = 5. Let f(x) = sgn(x) (where sgn(x) denotes signum function of x), then which of the following statement is incorrect for f(g(x))? |
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