Patrick is a salesman. His daily salary is the sum of daily basic salary and commission.His daily basic salary is $50 and his daily commission is 2% of the total value of all the items he sold that day. Yesterday he sold items of $x and earned$y.It is given that y is a function of x,denoted by f(x).
a.Find f(x)
b.Find the value of y when x=10000
c. The daily salary of Patrick was $450 yesterday .Find the total value of items he sold yesterday
f.4數1條
2007-09-21 1:14 am
回答 (1)
2007-09-21 1:24 am
✔ 最佳答案
a, y = f(x), f(x) = 0.2xb,f(10000) = 0.2(10000) = 2000 = y
c,50+y = 450
y = 400
y = f(x) = 0.2(x) = 400
0.2(x) = 400
x = 2000
參考: My Maths Knowledge
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