Answer: f(y)= 12+ 4x
Range= $24, Domain= {16,20,24,28,32,36}
Step-by-step explanation:
f(y)= 12+ 4x where x is the number of visits.
f(1)= 12+4= $16
f(6)= 12+4(6)= 12+24=$36
The range = f(6)- f(1)= 36-12= $24
the domain = all possible values of x so it is {16,20,24,28,32,36}
The function that can be used to describe the situation given will be f(y) = 12 + 4x.
Since the tanning salon charges a one-time maintenance fee of $12 which is the fixed cost plus $4 for each tanning visit. This can be represented by a function which will be:
f(y) = 12 + (4 × x)
f(y) = 12 + 4x
Note that x = number of visits
Therefore f(6) will be represented by:
= 12 + 4x
= 12 + 4(6)
= 12 + 24
= $36
Therefore, the function will be f(y) = 12 + 4x
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