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Graphs of Exponential Relationships: Mastery Test

Use the drawing tool(s) to form the correct answers on the provided grid.

Consider the function [tex]$g$[/tex]:
[tex]\[ g(x) = 6\left(\frac{3}{2}\right)^x \][/tex]

For the [tex]$x$[/tex]-values given in the table below, determine the corresponding values of [tex]$g(x)$[/tex] and plot each point on the graph.

\begin{tabular}{|c|c|c|c|c|}
\hline
[tex]$x$[/tex] & -1 & 0 & 1 & 2 \\
\hline
[tex]$g(x)$[/tex] & & & & \\
\hline
\end{tabular}



Answer :

To solve this problem, we need to determine the values of the function [tex]\( g(x) = 6 \left(\frac{3}{2}\right)^x \)[/tex] for the given [tex]\( x \)[/tex]-values: -1, 0, 1, and 2.

Let's evaluate the function for each of these [tex]\( x \)[/tex]-values step-by-step:

1. For [tex]\( x = -1 \)[/tex]:
[tex]\[ g(-1) = 6 \left(\frac{3}{2}\right)^{-1} \][/tex]
Using the properties of exponents, we know that [tex]\( \left(\frac{3}{2}\right)^{-1} = \frac{2}{3} \)[/tex]. Therefore:
[tex]\[ g(-1) = 6 \cdot \frac{2}{3} = 4 \][/tex]

2. For [tex]\( x = 0 \)[/tex]:
[tex]\[ g(0) = 6 \left(\frac{3}{2}\right)^0 \][/tex]
Any number raised to the power of 0 is 1. Therefore:
[tex]\[ g(0) = 6 \cdot 1 = 6 \][/tex]

3. For [tex]\( x = 1 \)[/tex]:
[tex]\[ g(1) = 6 \left(\frac{3}{2}\right)^1 \][/tex]
Therefore:
[tex]\[ g(1) = 6 \cdot \frac{3}{2} = 9 \][/tex]

4. For [tex]\( x = 2 \)[/tex]:
[tex]\[ g(2) = 6 \left(\frac{3}{2}\right)^2 \][/tex]
First, calculate [tex]\( \left(\frac{3}{2}\right)^2 = \frac{9}{4} \)[/tex]. Therefore:
[tex]\[ g(2) = 6 \cdot \frac{9}{4} = 13.5 \][/tex]

Having calculated these values, we can now fill in the table:

[tex]\[ \begin{tabular}{|c|c|c|c|c|} \hline $x$ & -1 & 0 & 1 & 2 \\ \hline $g(x)$ & 4 & 6 & 9 & 13.5 \\ \hline \end{tabular} \][/tex]

Next, you can plot these points [tex]\((-1, 4)\)[/tex], [tex]\((0, 6)\)[/tex], [tex]\((1, 9)\)[/tex], and [tex]\((2, 13.5)\)[/tex] on the provided grid to visualize the graph of the function [tex]\( g(x) \)[/tex].