Flag Magical Mathematics[Interesting Approach]> Explain the given image.....................
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Explain the given image.....................................................................

Sudhanva G V , 6 Years ago
Grade 11
anser 2 Answers
Anish Singhal

Last Activity: 6 Years ago

555-958_Capture.PNG

Aditya Gupta

Last Activity: 6 Years ago

so write f(x)= 1 – 2/(4^x + 1)
now 4^x lies in (0, inf)
so 4^x  + 1 lies in (1, inf)
so 1/(4^x  + 1) lies in (0,1)
so –2/(4^x  + 1) lies in ( –2, 0)
so 1–2/(4^x  + 1) lies in ( –1, 1)
or f(x) has range (-1,1).

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