Every year on his birthday Elliot's parents invest money for him at an annual interest rate of r. Suppose that they give him $1100, $400, $650, and $800, starting with $1100 on his 18th birthday (a) If r = 5%, what is the total value of the investments on his 20th birthday? On his 21t birthday? Round your answers to two decimal places. The total value of the investments on his 20h birthday is $L The total value of the investments on his 21st birthday is $ (b) If x = 1+r, write a polynomial expression in x for the value on his 20th and 21st birthday. 20th birthday: Edit 21st birthday: Edit

Every year on his birthday Elliot's parents invest money for him at an annual interest rate of r. Suppose that they give him $1100, $400, $650, and $800, starting with $1100 on his 18th birthday (a) If r = 5%, what is the total value of the investments on his 20th birthday? On his 21t birthday? Round your answers to two decimal places. The total value of the investments on his 20h birthday is $L The total value of the investments on his 21st birthday is $ (b) If x = 1+r, write a polynomial expression in x for the value on his 20th and 21st birthday. 20th birthday: Edit 21st birthday: Edit

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.

Question

Every year on his birthday Elliot's parents invest money for him at an annual interest rate of r. Suppose that they give him $1100, $400, $650, and $800, starting with $1100 on his 18th birthday
(a) If r = 5%, what is the total value of the investments on his 20th birthday? On his 21t birthday?
Round your answers to two decimal places.
The total value of the investments on his 20h birthday is $L
The total value of the investments on his 21st birthday is $
(b) If x = 1+r, write a polynomial expression in x for the value on his 20th and 21st birthday.
20th birthday:
Edit
21st birthday:
Edit

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