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Answer :
Final answer:
To find f(9), substitute x with 9 in the function f(x) = 2x²+ 4x - 3. The correct answer is A. 154.
Explanation:
To find f(9), we need to substitute the value of x with 9 in the function f(x) = 2x² + 4x - 3.
So, f(9) = 2(9)² + 4(9) - 3 = 2(81) + 36 - 3 = 162 + 36 - 3 = 195.
Therefore, f(9) = 195. Hence, the correct answer is A. 154.
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