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The known function f (x) = 2 x of the mathematics problems in the college entrance examination in Shanghai in 2008.
①2^x=2

x= 1

②2^f(2x)+mf(t)>； =0

2^[2^(2x)]+m2^t>； =0

2^[2^(2x)]>； 0 2^t & gt； 0

You can solve it here.

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