F (x) = 3/cdot / left (/dfrac{7}{4}/right) ^xf (x) = 3⋅ ( 4 7 ) x f, left parenthesis, x, right parenthesis, equals, 3, dot, left parenthesis, start fraction, 7, divided by, 4, end fraction, right parenthesis, start superscript, x, end superscript
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