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Help please? Let f(x) =x+7 and g(x) =x–2. What is f(x)•g(x)?

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\[A. x ^{2}-5x+14\]
\[B. x ^{2}+5x-14\]

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Other answers:

If f(x) =x+7 and g(x) =x–2 then f(x)•g(x) = (x+7)(x-2) Do FOIL or box method.
\[C. x ^{2}+5x-5\]
\[D. x ^{2}+9x+5\]
What does (x+7)(x-2) equal?
if those are you only multiple choices then just by looking at them we can decide which 1 is the only possible answer.... look at the ending constant
\[(x+7)(x-2)= x ^{2}-2x+7x-14=x ^{2}+5x-14\]
I got x^2+5x-14
Well done!
Understand "composite" functions. This is more than just FOIL
@radar Read her question again, it asks for f(x)•g(x), not (f o g)(x)
OH, since it was such a large "dot" I thought maybe it was "composite" "FOILed again" lol
Sorry about that @P.nut1996 stick with RD42
Thank you so much guys! Very helpful! :D

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