, 11.02.2016 16:47 saby30

# Which is the quadratic variation equation for the relationship? y varies directly with x²and y = 72 when x = 6. a) y=12x b) y=4x² c) y=x²+25 d) y=2x²

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Mathematics, 04.02.2019 20:02
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For $$f(x) = 4x + 1$$ and (x) = $$g(x)= x^{2} -5,$$ find $$(\frac{g}{f}) (x)$$a. $$\frac{x^{2} - 5 }{4x +1 },x$$ ≠ $$-\frac{1}{4}$$b. x$$\frac{4 x +1 }{x^{2} - 5}, x$$ ≠ ± $$\sqrt[]{5}$$c. $$\frac{4x +1}{x^{2} -5}$$d.$$\frac{x^{2} -5 }{4x + 1}$$