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Mathematics 18 Online
alyssaplaisance:

Let f(x) = 3x2 - 6x + 2. Find f(-2). A) 20 B) 22 C) 24 D) 26 E) 32

dude:

Simply substitute -2 in for x, do you know how to do that?

alyssaplaisance:

i forgot

dude:

\(Let f(x) = 3x^2 - 6x + 2\) Simply change x with 2 here

alyssaplaisance:

ok

alyssaplaisance:

is the answer d

dude:

Looks good

alyssaplaisance:

f(−2).26 and then what

glizxzy:

simplify

alyssaplaisance:

so the answer is d

glizxzy:

is that what u got?

alyssaplaisance:

3x2−6x+2 then you add 3x to 6x it think

glizxzy:

add on both sides

glizxzy:

so yes

alyssaplaisance:

ok so the answer is d

glizxzy:

is that what you got when you solved?

alyssaplaisance:

yea

alyssaplaisance:

wby

glizxzy:

ok then try it i can give you that info

glizxzy:

cant*

alyssaplaisance:

k

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