The function f (x) represents the total cost for x tickets for a carnival, including the entry fee.
f (x) = 0.50x+4
What is the value of f (20), and what does it mean in the context of the situation?
A.
f (20) = 32; this means that it costs $20 to purchase 32 tickets and pay the entry fee.
B.
f (20) = 14; this means that it costs $14 to purchase 20 tickets and pay the entry fee.
C.
f (20) = 14; this means that it costs $20 to purchase 14 tickets and pay the entry fee.
D.
f (20) = 32; this means that it costs $32 to purchase 20 tickets and pay the entry fee.
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