precalculus
posted by Sara .
solve the following exponential equation. show all work.
4^(4x+2)= 1/64

precalculus 
Reiny
4^(4x+2)= 1/64
4^(4x+2)= 1/4^3
4^(4x+2)= 4^3
so
4x+2 = 3
4x = 5
x = 5/4 or = 1.25
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