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ch4aika [34]
3 years ago
15

your friend is choosing between two music download companies. MyTunes charges $2.50 per song. Great Songs charges $1.50 per song

and has a one-time membership fee of $50. When will Great Songs be the better deal?
Mathematics
1 answer:
vichka [17]3 years ago
4 0

Answer:

After 100 songs

Step-by-step explanation:

2.50x=1.50x+50

.50x=50

÷.50

X=100

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The correct option will be the last one: f(x)= 9sin(6 \pi x)+6

<em><u>Explanation</u></em>

The general equation for sinusoidal function is: f(x)= Asin(2\pi fx)+b, where A=Amplitude, f= frequency and b= y-intercept

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