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A music site charges a one-time membership fee of $10 plus $0.50 for every song purchased. a. Fill in the function rule to represent the total cost of any number of songs purchased. c = total cost and
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A music site charges a one-time membership fee of $10 plus $0.50 for every song purchased.

a. Fill in the function rule to represent the total cost of any number of songs purchased.

c = total cost and s = number of songs purchased

c = _?__ + __?_s

User GeekLei
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c = $10 + $0.50s

Assuming you bought 10 songs; then

c = $10 + $0.50(10)
= $10 + $5
c = $15

Bear in mind that the $10 is only a one-time membership fee, so, any purchase of songs after your payment of the $10 will be computed by $0.50s.
User Chvanikoff
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