Subjects algebra

Function Values 7Ef10E

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Question: Complete the table of values for the functions $f(x) = \frac{1}{2}|x|$ and $g(x) = 2^x$. Write your answers as whole numbers, decimals, or simplified fractions or mixed numbers. $x$ $f(x)$ $g(x)$ $-2$ $1$ $\frac{1}{4}$ $-1$ $0$ $1$ $2$ $1$ $4$ Based on the values in the table, where does the equation $f(x) = g(x)$ have a solution? between $x = -2$ and $x = -1$ $x = -1$ between $x = -1$ and $x = 0$ $x = 0$
1. **State the problem:** We need to complete the table for $f(x) = \frac{1}{2}|x|$ and $g(x) = 2^x$ at $x = -1, 0, 1$ and determine where $f(x) = g(x)$. 2. **Calculate $f(x)$ values:** - $f(-1) = \frac{1}{2}|-1| = \frac{1}{2} \times 1 = \frac{1}{2}$ - $f(0) = \frac{1}{2}|0| = 0$ - $f(1) = \frac{1}{2}|1| = \frac{1}{2}$ 3. **Calculate $g(x)$ values:** - $g(-1) = 2^{-1} = \frac{1}{2}$ - $g(0) = 2^0 = 1$ - $g(1) = 2^1 = 2$ 4. **Complete the table:** \begin{tabular}{c|c|c} $x$ & $f(x)$ & $g(x)$ \\ \hline $-2$ & $1$ & $\frac{1}{4}$ \\ $-1$ & $\frac{1}{2}$ & $\frac{1}{2}$ \\ $0$ & $0$ & $1$ \\ $1$ & $\frac{1}{2}$ & $2$ \\ $2$ & $1$ & $4$ \\ \end{tabular} 5. **Determine where $f(x) = g(x)$:** - At $x = -1$, $f(-1) = \frac{1}{2}$ and $g(-1) = \frac{1}{2}$, so $f(x) = g(x)$. **Final answer:** The equation $f(x) = g(x)$ has a solution at $x = -1$.