Solve.
An economist predicts that the buying power B(x) of a dollar x years from now will be given by the formula B(x) = 0.15x. How much will today's dollar be worth in 4 years? Round the answer to the nearest cent.
$1.23
$0.60
$0.47
$0.00
How do I solve this math problem?
2010-06-12 5:38 pm
回答 (4)
2010-06-12 5:41 pm
✔ 最佳答案
B(x)=.15xB(4)=.15*4
B(4)=.60
2010-06-13 12:45 am
Simply substitute x=4 in the given equation and you will get B(4)=$0.60.
2010-06-13 1:15 am
The formula is inconsistent. Based on the function B(x), the buying power of a dollar issued now will not be the same as the buying power of a dollar issued four years later.
2010-06-13 12:40 am
$0.60
收錄日期: 2021-05-01 13:13:12
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