Solve the Problem $\mathrm { I } ( \mathrm { t } ) = - 0.1 \mathrm { t } ^ { 2 } + 1.9 \mathrm { t }$

question 361

Multiple Choice

Solve the problem.
-The polynomial function $\mathrm { I } ( \mathrm { t } ) = - 0.1 \mathrm { t } ^ { 2 } + 1.9 \mathrm { t }$ represents the yearly income (or loss) from a real estate investment, where $t$ is time in years. After how many years does income begin to decline? Round to the nearest tenth of a year, if necessary.

• A) \(9.5\) years
• B) \(12.7\) years
• C) 19 years
• D) \(8.5\) years

Appreciate the unique characteristics of projects compared to traditional activities.

Identify the differences between PERT and CPM in project management.

Understand the phases of project management and tools used for project scheduling and planning.

Understand and identify issues related to internal and external validity in studies.

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