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If f(x) = x² and g(x) = 2x + 1, what is (f + g)(x)?
Ax² + 2x + 1
Bx² - 2x - 1
C2x³ + x²
Dx² + 2x - 1
Answer & Solution
Correct answer: A. x² + 2x + 1
Adding x² and 2x + 1 term by term gives x² + 2x + 1.
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