How do you evaluate the function f(x)=-3+4x for f(-1/2)?

1 Answer
Jim G.
Jun 8, 2017

f(-1/2)=-5

Explanation:

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

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

color(white)(rArrf(-1/2))=-3-2

color(white)(rArrf(-1/2))=-5

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