Where a product with an exponential (like x^2 e^(-x)) increases or decreases

1. A.
   $(0, 2)$
2. B.
   $(2, \infty)$
3. C.
   $(-2, 0)$
4. D.
   $(-\infty, \infty)$

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1. A.
   Increasing in $\left(-\frac{1}{2}, 1\right)$
2. B.
   Decreasing in $\mathbb{R}$
3. C.
   Increasing in $\mathbb{R}$
4. D.
   Decreasing in $\left(-\frac{1}{2}, 1\right)$

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1. A.
   decreasing for all $x \in \mathbb{R}$
2. B.
   decreasing in $( - \infty, - 1)$ and increasing in ( $- 1,\infty$ )
3. C.
   decreasing in $( - 1,\infty)$ and increasing in ( $- \infty, - 1$ )
4. D.
   increasing for all $x \in \mathbb{R}$

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1. A.
   increasing in $\mathbb{R}$
2. B.
   increasing in $\left( \frac{- 1}{2},1 \right)$
3. C.
   decreasing in $\mathbb{R}$
4. D.
   decreasing in $\left\lbrack - \frac{1}{2},1 \right\rbrack$

Tap an option to check your answer.