Answer:According to my calculations, an item with an original price tag of $54.50 that is marked down by 20% will have a sales price of $43.60 -- a savings of $10.90.
If you include the sales tax savings ($0.82 ) your total savings would add up to $11.72.
Step-by-step explanation:
Answer:
part A: f(n) = 10(1.02)^n
f'(n) = 10n (1.02)^n-1
Part B and C no idea
The answer would be (A) <span>(x − 4)^2 + (y − 4)^2 = 16
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