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Derive a Set of Inequalities to Describe the Region {x2+y29x2+y216x0y0\left\{ \begin{array} { c } x ^ { 2 } + y ^ { 2 } \leq 9 \\x ^ { 2 } + y ^ { 2 } \geq 16 \\x \geq 0 \\y \geq 0\end{array} \right.

question 176

Multiple Choice

Derive a set of inequalities to describe the region.  Derive a set of inequalities to describe the region.    A)    \left\{ \begin{array} { c }  x ^ { 2 } + y ^ { 2 } \leq 9 \\ x ^ { 2 } + y ^ { 2 } \geq 16 \\ x \geq 0 \\ y \geq 0 \end{array} \right.  B)    \left\{ \begin{array} { c }  x ^ { 2 } + y ^ { 2 } \geq 3 \\ x ^ { 2 } + y ^ { 2 } \leq 4 \\ x \geq 0 \\ y \geq 0 \end{array} \right.  C)    \left\{ \begin{array} { l }  x ^ { 2 } + y ^ { 2 } \geq 3 \\ x ^ { 2 } + y ^ { 2 } \leq 4 \end{array} \right.  D)    \left\{ \begin{array} { c }  x ^ { 2 } + y ^ { 2 } \geq 9 \\ x ^ { 2 } + y ^ { 2 } \leq 16 \end{array} \right.  E)   \left\{ \begin{array} { c }  x ^ { 2 } + y ^ { 2 } \geq 9 \\ x ^ { 2 } + y ^ { 2 } \leq 16 \\ x \geq 0 \\ y \geq 0 \end{array} \right.


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An experimental apparatus used by B.F. Skinner in the study of animal behavior to investigate the effects of systematic reinforcement.

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