for A multiply 85 and 30. then subtract 30 by the product, this gives you the sale price. For B you do the same thing but you multiply 18 and 85. then 18 subtracted by the product which gives you the sale price.
Just multpily.
8950*.76= 6820
so C is the answer
Here is your answer
B) 1/125
REASON:
Given,

for F (3)
Putting x=3, in above function we get


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