Chapter3: Functions
Section3.1: Functions And Function Notation
Problem 3SE: Why does the vertical line test tell as whether the graph of a relation represents a function?
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Transcribed Image Text:**12. Study the graph of the function \( f(x) \) and then answer the question below.**
The graph of \( f(x) \) is shown with the x-axis labeled from \(-2\) to \(5\) and the y-axis labeled from \(1\) to \(3\). The graph features:
- An open circle at \( x = -1 \) and \( f(x) = 3 \), indicating a hole in the graph.
- A solid dot at \( x = 0 \) and \( f(x) = 2 \).
- The curve continues, dipping down with a minimum point near \( x = 1 \) slightly above the x-axis.
- An arc that peaks near \( x = 2 \) slightly above \( y = 2 \).
- An open circle at \( x = 3 \) and \( f(x) = 2 \) with a solid dot nearby at \( x = 3 \) and \( f(x) = 1 \).
- The curve rises and continues beyond \( x = 4 \).
The question posed is:
What is \(\lim_{x \to 3} f(x)\)?
**13. If \( g(x) = \frac{2x - 1}{x^2 + 3x} \), what is \( g'(x) \)?**
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