1)
F(x) = 3x²-2x+5
F'(x) = 6x - 2
F"(x) = 6
2) F(x) = x²+4x-6
F'(x) = 2x+4
F"(x) = 2
3) f(x) = x^-1/2
F'(x) = -1/2x^(-3/2)
f"(x) = (-3/2).(-1/2)x^(-5/2)
f"(x) = (3/4).x^(-5/2)
f"(x) = (3/4) / (x² √x)
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1)
F(x) = 3x²-2x+5
F'(x) = 6x - 2
F"(x) = 6
2) F(x) = x²+4x-6
F'(x) = 2x+4
F"(x) = 2
3) f(x) = x^-1/2
F'(x) = -1/2x^(-3/2)
f"(x) = (-3/2).(-1/2)x^(-5/2)
f"(x) = (3/4).x^(-5/2)
f"(x) = (3/4) / (x² √x)