How do you find $f(-1/2)$ given $f(x)=-3+4x$ ?

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Answer 1 · 2018-03-14T07:31:20

$-5$

$f(-1/2)=-3+4*(-1/2)=-3-2=-5$

Answer 2 · 2018-03-14T08:34:09

$f(-1/2)=-5$

$"to evaluate "f(-1/2)" substitute "x=-1/2" into "f(x)$

$f(color(red)(-1/2))=-3+(4xxcolor(red)(-1/2))$

$color(white)(xxxxxx)=-3-2=-5$

How do you find f(-1/2)f(-1/2) given f(x)=-3+4xf(x)=-3+4x?