List the Critical Values of the Related Function $$\frac { 2 } { x ^ { 2 } + 1 } \geq \frac { 4 } { 4 x ^ { 2 } + 3 }$$

question 46

Multiple Choice

List the critical values of the related function. Then solve the inequality.
- $$\frac { 2 } { x ^ { 2 } + 1 } \geq \frac { 4 } { 4 x ^ { 2 } + 3 }$$

• A) No critical values; \(( - \infty , \infty )\)
• B) \(2 ; ( - \infty , 2 ]\)
• C) No critical values; \(\varnothing\)
• D) \(4 ; [ 4 , \infty )\)

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