jadieb63
29.10.2020 •
Mathematics
Three consecutive integers are such that the sum of the first and twice the second is 14 more than twice the third. Let x be the smallest of the numbers. Form an equation and solve it for x.
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Ответ:
F (3)=300×(1.02)^(3)=318.36
The value of his investment at the fifth year is
F (5)=300×(1.02)^(5)=331.22
The average rate of change of the value is
(331.22−318.36)÷2 years=6.43 per year