smortandsons
17.10.2019 •
Mathematics
Cheyanne plans to put $150 into a savings account. she can place her money into an account represented by f(x) = 5x + 150, or into another account represented by g(x) = 150(1.03)x. which account has the highest value in 3 years? which account has the highest value in 10 years?
f(x) has the highest value in 3 years; g(x) has the highest value in 10 years
g(x) has the highest value in 3 years; f(x) has the highest value in 10 years
f(x) has the highest value in 3 years; f(x) has the highest value in 10 years
g(x) has the highest value in 3 years; g(x) has the highest value in 10 years
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Ответ:
150×(1.03)^(3)=163.91
(5×10)+150=200
150×(1.03)^(10)=201.59
f(x) has the highest value in 3 years; g(x) has the highest value in 10 years
Ответ:
The final expression should be 4x-1
Step-by-step explanation:
The error occurs in the simplification from the 3rd to 4th step. You can see two positive 2x's, but suddenly they vanish.
4 + 2x - 5 + 2x
4 - 5 + 4x
-1 + 4x
4x -1