Final answer:
To build and sketch 3(x + 3), distribute 3 to each term inside the parentheses. The resulting equation is 3x + 9.
Step-by-step explanation:
To build and sketch 3(x + 3), you need to distribute 3 to both terms inside the parentheses. This means multiplying 3 by x and 3. So, 3(x + 3) becomes 3x + 9. Now, you can sketch the graph of the equation y = 3x + 9 using the slope-intercept form.
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