How do you evaluate the function $f(x) = 7x - 1/4$ for $f(3/4)$ ?

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Answer 1 · 2015-11-01T20:39:23

$5$

Replace x with $3/4$ to get

$f(3/4)=7(3/4)-1/4$

$=21/4-1/4=20/4=5$

How do you evaluate the function f(x) = 7x - 1/4f(x) = 7x - 1/4 for f(3/4)f(3/4)?