The CD format has been declining in popularity. A music executive used the equation LaTeX: f\left(x\right)=240,000\left(.95\ri ght)^xf ( x ) = 240 , 000 ( .95 ) x to predict the future CD sales of a music company. If the company's starting sales are 240,000 CDs, how many years will it take until the company's sales are cut in half?

the answer is b i just did that

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i think something is missing in your question because y-1=(x-12) would not pass through the point (-4,-3). because if you replace x by -4 your are supposed to find y=-3 which is not the case her. if you replace x by -4 you find =-15.

i assume the right equation is y-1=1/4*(x-12) because this one is passing through both your points (if you are interested to know how i found that out i can tell you).

in this equation if i replace x by -4 i find y=-3 and if i replace x by 12, i find y=1 so the line representing this equation is passing through those 2 points.

then the standard form of the equation is finding an expression of y in function of x

y-1=1/4*(x-12)

y=x/4-3+1

y=x/4-2

hope that .

do you confirm there was a mistake in the question?

answer: options

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1 and 0

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