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Let f(x) = x + 7 and g(x) = x – 2. What is f(x) • g(x)? a. x2 – 5x + 14 b. x2 + 5x – 14 c. x2 + 5x – 5 d. x2 + 9x + 5
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f(x) * g(x) = (x + 7)(x - 2) Now expand. x^2 + 5x - 14 Therefore, b.) is the correct answer.
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