07-11-2016
Mathematics

contestada

what is the value for f(x)= 3^2x+1 when x =1/2

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DarkUnix DarkUnix

07-11-2016

Taking 2x is power of 3.

So it will be like 3^(2*1/2) + 1
You are replacing 'x' with 1/2
and the equation becomes 3^1+1
So, f(1/2) = 4
Answer is 4.

If its like
3^(2x+1)
Then its like 3^[(2*1/2) +1]
It becomes 3^(1+1) = 3^2 = 9
So, the answer is 9

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