Factories 12x²-3y² completely.
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yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

the volume is the product of the area of the base, 3x(3x+4), and the height, 3x-1

step-by-step explanation:

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)