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LenKa [72]
3 years ago
9

SOLVE Janet piano teacher charged $12.50 for a 30-minute lesson if Janet has a 4 lesson per month how much will she owe her pian

o teacher a year
Mathematics
1 answer:
miskamm [114]3 years ago
3 0
You would multiply 12.50 by 4 because thats how much each lesson is and you go 4 times a month. You then multiply this by 12 because there are 12 months in a year. The answer comes out to $600 a year. Hope this helps. XD
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The turning point is

(1,-3).


EXPLANATION


The function given to us is

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We using the chain rule of differentiation, we obtain,
f '(x) =3 (x - 1) ^{2}

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3 (x - 1) ^{2}   = 0



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C is the correct answer.
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