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24-07-2019
Mathematics

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please help! what is the value of x when f(x)=8? The graph shows the function f(x)=2^x

please help what is the value of x when fx8 The graph shows the function fx2x class=

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24-07-2019

Answer:

[tex]f(x) = {2}^{x } \\ f(x) = 8 \\ \\ {2}^{x} = 8 \\ \\ {2}^{x } = {2}^{3} \\ \\ x = 3[/tex]

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