Consider the function with its natural domain

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

Consider the function g(x)=ln⁡(x2+2x)g(x)=\ln\bigl(x^{2}+2x\bigr) with its natural domain. On which interval is gg decreasing? (a) (−2,0)(-2,0) (b) (−∞,−2)(-\infty,-2) (c) (−∞,−2)∪(−1,0)(-\infty,-2)\cup(-1,0) (d) (−1,0)(-1,0)

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