Solve the problem.A store is discounting all regularly priced items by 30%. (i) Find a function f that computes the sale price of an item having a regular price of x. (ii) If an item normally costs $199.54, what is its sale price?
A. f(x) = x - 0.3x; $139.68
B. f(x) = x - 0.3; $199.24
C. f(x) = 0.3x; $59.86
D. f(x) = x - 30; $169.54
Answer: A
Mathematics
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A. 
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Mathematics