3 years ago

F(x)=7x+9 find f(6c-4) a.35c+9 b.42c+9 c.42c-19 d.42c-19

1 answer:

4 0

C & D Answer Choices Are The Same, Your Answer Is 42c-19

$f(x) = \: all \: x \: in \: (7x + 9)$
$f(x) = 7x + 9$
$f(6c - 4) = 7x + 9$
*Distributive Property
$f(6c - 4) = 7(6c - 4) + 9$
$f(6c - 4) = 42c - 28 + 9$
$f(6c - 4) = 42c - 19$

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