One Solution of the Differential Equation $y ^ { \prime \prime } + y ^ { \prime } = 0$

question 38

Multiple Choice

One solution of the differential equation $y ^ { \prime \prime } + y ^ { \prime } = 0$ is $y = \cos x$ . A second linearly independent solution is

• A) \(y = \cos x\)
• B) \(y = \sin x\)
• C) \(y = e ^ { x }\)
• D) \(y = e ^ { - x }\)
• E) \(y = x \cos x\)

---

Definitions:

Defined Contribution Plan

A retirement plan where the amount contributed is specified, but the future benefit is not, with final benefits depending on investment performance.

Risk-free Return

The theoretical return on an investment with no risk of financial loss, typically represented by the yield on government securities.

Standard Deviation

Represents how spread out the numbers in a data set are.

Variable Life Insurance

A type of life insurance where the policyholder can allocate a portion of premium dollars to a separate account comprised of various investment funds.