SOLUTION: Can you please help me find the x-intercept for this equation: {{{ f(x) = log2(x - 4) - 1 }}}

Algebra ->  Functions -> SOLUTION: Can you please help me find the x-intercept for this equation: {{{ f(x) = log2(x - 4) - 1 }}}      Log On


   

Question 468894: Can you please help me find the x-intercept for this equation: +f%28x%29+=+log2%28x+-+4%29+-+1+
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find the x-intercept for this equation: f(x) = log2(x - 4) - 1
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Let y = 0 and solve for "x":
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log2(x-4)-1 = 0
log2(x-4) = 1
x-4 = 2
x = 6
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x-intercept: (6,0)
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Cheers,
Stan H.