lexxiii321
lexxiii321 lexxiii321
  • 06-02-2018
  • Mathematics
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Using the graph of f(x) = log2x below, approximate the value of y in the equation 22y = 6.
 log base 2 graph 

Using the graph of fx log2x below approximate the value of y in the equation 22y 6 log base 2 graph class=

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calculista
calculista calculista
  • 15-02-2018
f(x) = log2x- -------> y=log2x-------- > 2^(y)=x  (I)

therefore

in the equation  2^(2y) = 6---- >(
2^(y))^2 = 6  (II)

(I) in (II)

((x))^2 = 6-----------------x=2.45

using a graphic tool
see graphic attached

for x=2.45 the value of y approximate is 1.2928
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