8) \( f(x)=-x+3 \)
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This linear function \( f(x) = -x + 3 \) has a slope of -1 and a y-intercept of 3, meaning it crosses the y-axis at the point (0, 3). If you were to graph it, you'd see a straight line that descends from left to right, showcasing how negative slopes indicate a decrease in value as \( x \) increases. You can easily identify its roots by setting \( f(x) = 0 \) and solving for \( x \)! In the real world, such linear functions can represent various scenarios, like budgeting or tracking expenses where you lose money over time. For example, if you start with $3 and lose $1 each day, the equation beautifully mirrors that situation. Graphing these types of functions can help us visualize trends in anything from personal finances to resource management!