Which of the following should be used to evaluate an IT development project before an investment is committed?

A feasibility study evaluates a project's potential for success by assessing its technical, economic, legal, operational, and scheduling viability. It identifies potential problems and determines if the project is worth undertaking before significant resources are committed.

Function point analysis is a method for estimating the size of a software project based on its functionality, not for overall project evaluation prior to investment.

Rapid application development (RAD) is an agile software development methodology focused on quick prototyping and iterative delivery, not a pre-investment evaluation tool.

Earned value analysis (EVA) is a project management technique used during project execution to measure performance and progress, not for initial pre-investment evaluation.