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Provide an Appropriate Response 22x+1=72^{2 x + 1 }= 7 For xx

Question 187

Multiple Choice

Provide an appropriate response.
-Solve 22x+1=72^{2 x + 1 }= 7 for xx . Give an exact solution and a four-decimal-place approximation.


A) log⁡62log⁡2;1.2925\frac { \log 6 } { 2 \log 2 } ; 1.2925
B) 54;1.2500\frac { 5 } { 4 } ; 1.2500
C) 12(log⁡2log⁡7−1) ;−0.3219\frac { 1 } { 2 } \left( \frac { \log 2 } { \log 7 } - 1 \right) ; - 0.3219
D) 12(log⁡7log⁡2−1) ;0.9037\frac { 1 } { 2 } \left( \frac { \log 7 } { \log 2 } - 1 \right) ; 0.9037

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