Solve each compound inequality and graph the solution.
1 answer:
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Answer:
216 + 9i
Step-by-step explanation:
Given: f(x) = 3x² + 3 + 3x
When x = -9, f(x) equals to;
3(-9)² + 3(-9 + 3(-9)
243 + 3(3i) - 27
243 + 9i - 27
216 + 9i