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. Let f (x) be a function defined as follows: f(x) = sin(x2 – 3x), x = 0; and 6x + 5x”, x > 0Then at x = 0, f (x)(a) has a local maximum (b) has a local minin(c) is discontinuous(d) none of these |
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Answer» Product 10 - 15 — -3/x2. 13. - 2/(2X - W 14. - 3/(3x + 1)2 15. -1/(x + 5)2 16. -I/(x _ 2)2 ... If 0 = 1t/6 then tan(1t/6) = 1/,}i Substituting yields: ... f(O) = 0 it follows that f(x) > 0 for all x with 0 < x < n/2. |
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