Answer:
f(9)=54
Step-by-step explanation:
Subsitute 9 for x in f(x)=6x

Answer:
good evening good evening good evening good evening
So I use the formula hopefully these steps work
The answer is $1.25 a large drink
Because 17.5 - 12.5 = 5 / 4 = $1.25
I hope this helps