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) $$\left\{ \begin{array} { c } x ^ { 2 } + y ^ { 2 } \geq 9 \ x ^ { 2 } + y ^ { 2 } \leq 16 \ x \geq 0 \ y \geq 0 \end{array} \right.$$

Question

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) $$\left\{ \begin{array} { c } x ^ { 2 } + y ^ { 2 } \geq 9 \ x ^ { 2 } + y ^ { 2 } \leq 16 \ x \geq 0 \ y \geq 0 \end{array} \right.$$

Quizplus · Accepted Answer

The Answer of 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) $$\left\{ \begin{array} { c } x ^ { 2 } + y ^ { 2 } \geq 9 \ x ^ { 2 } + y ^ { 2 } \leq 16 \ x \geq 0 \ y \geq 0 \end{array} \right.$$

Derive a Set of Inequalities to Describe the Region {x2+y2≤9x2+y2≥16x≥0y≥0\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.⎩⎨⎧​x2+y2≤9x2+y2≥16x≥0y≥0​

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